Arithemetic MODEL PAPER
Arithemetic MODEL PAPER
Arithemetic MODEL PAPER
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Paper - I
1) 3251 + 587 + 369 - ? = 3007
13)
1) 1250 2) 1300 3) 1375 4) 1200
1) 2) 3) 1 4) 2
5) 9 9
5
14) The value of (256) 4 is :
2) 666 ÷ 6 ÷ 3 = ?
1) 512 2) 984 3) 1024 4) 1032
1) 37 2) 333 3) 111 4) 84
5) 15) (1000)7 + 1018 = ?
1) 10 2)100 3) 1000 4) 10000
3) 587 x 999 = ?
1) 586413 2) 587523 3) 614823 4) 615173 16) 88% of 370 + 24% of 210 - ? = 118
1) 256 2) 258 3) 268 4) 358
857 x 854 x 854 - 276 x 276 x 276
4) 854 x 854 + 854 x 276 + 276 x 276 =? 17) 86% of 50 + 50% of 860 = ?
1) 1130 2) 578 3) 565 4) 1156 1) 430 2) 516 3) 860 4) 960
5)
18) Photostat copy
5)
1) 1 , 2 , 4 , 3 , 5 , 6 2) 1 , 2 , 3 , 4 , 5 , 6
(discount) copy
3 5 7 5 6 7 3 5 5 7 6 7
1) Rs. 3920 2) Rs. 3980
3) 1 , 2 , 3 , 5 , 4 , 6 4) 2 , 3 , 1 , 4 , 5 , 6
3 5 5 6 7 7 5 5 3 7 6 7 3) Rs. 4900 4) Rs. 4920
6) 0.002 x 0.5 = ?
18) Photostat copy
1) 0.0001 2) 0.001 3) 0.01 4) 0.1
7) 16.02 x 0.001 = ? (discount) copy
1) 0.0001602 2) 0.01602
3) 0.1602 4) 1.6021 1) Rs. 3920 2) Rs. 3980
3) Rs. 4900 4) Rs. 4920
8) .009 = .01
?
1) .0009 2) .09 3) .9 4) 9 19) Rs.
Rs.
9) 1260 ÷ 15 ÷ 7 = ? (transaction)
1) 12 2) 58 3) 122 4) 588 1) 8% 2) 9% 3) 10% 4) 11%
5) none of these
20) 5% of (25% of Rs. 1600) is
10) The value of 0.16 is : 1) Rs. 5 2) Rs. 17.50
0.4
1) 0.02 2) 0.2 3) Rs. 20 4) Rs. 25
3) 0.63 4) none of these
21) What percent is 3% of 5% ?
2-1
11) If 2 = 1.414, the square root of 2 + 1 is nearest to : 1) 15% 2) 30% 3) 50% 4) 60%
1) 0.172 2) 0.414 3) 0.586 4) 1.414
2
22)
5
12)
1) 2) 1) 12.75 2) 85
3) 4) 3) 204 4) none of these
23) of 33) Jacob
1) 12 2) 16 3) 24 4) 32 Rs.
24)
1) Rs. 400 2) Rs. 440
1) 28 2) 50 3) 52 4) 70
3) Rs. 500 4) Rs. 550
25)
34) Rs.
1) 672 2) 700 3) 749 4) 848
26)
1) Rs. 12,000 2) Rs. 13,000
1) 2700 2) 2900 3) 3000 4) 3100 3) Rs. 14,000 4) Rs. 15,000
16) Let 88% of 370 + 24% of 210 - x = 118. 26) Number of valid votes = 80% of 7500 = 6000.
Then, x = [ 88 x 370] + [ 24 x 210] - 118 = 325.60 Valid votes polled by other candidate = 45% of 6000
100 100
+ 50.40 - 118 = 376 - 118 = 258.
= [ 45 x 6000) = 2700.
100
27) Let the number of valid votes be x.
Paper - 2
1) Alfred Rs. Rs. 11) 3 : 5
Rs.
1) 4 4 % 2) 5 5 % 3) 10% 4) 12%
7 11
2) Rs. kg 1) 27 2) 33 3) 49 4) 55
Rs.per kg 12) A : B = 5 : 4, B : C = 9 : 10
1) 4 1 % 2) 6 1 % 3) 8 1 % 4) 20 %
C
6 4 3 1) Rs. 340 2) Rs. 400 3) Rs. 450 4) Rs. 475
3) Rs. P Q R
Rs. 13) Q = R = S = 2
3
1) 3.5 2) 4.5 3) 5.6 4) 6.5 P, Q, R, S P
5) None of these 1) Rs. 140 2) Rs. 160 3) Rs. 240 4) Rs. 320
A 3 B 5
7) 2A = 3B and 4B = 5C = and = 15) Ratio of their shares = 22500 : 35000 = 9 : 14
B 2 C 4
A 3 5 Deepak's share = Rs [13800 x 14 ] = Rs. 8400.
= ( A x B ) = ( x ) = 15 A : C = 15 : 8.
C B C 2 4 8 23
11) 3x, 5x 18) Let the required cost be x paise. Less weight, Less
159
24) Given exp. = [41 x 16 + 53 x 9 ] = [ 328 + ] 33) Let the numbers be x, x + 2, and x + 4.
6 3 3 2 9 2
656 +1431
= = 2087 = 11517 . Then, (x + x + 2 + x + 4) - x+x+2+x+4
18 18 18 3
2 5
25) Let 5 ÷x = 2. Then, 17 ÷ x 5 = 2 x 5 = 17 x or (3x + 6) - (3x + 6) = 38 or 2 (3x + 6) = 114 or 6x
3 6 3 6 6 3 3
1 = 17 x5 = 25 . = 102 or x = 17.
2 6 6 6
So, first number = x = 17.
x = 2.
192 - 162
34)
26) Required difference = 19 - 16=
16 19 16
=
(19+16) (19 - 16)
=
35 x 3
=
105
.
304 304 304
18225 18225 18225 18225 35) Since the month begins with a Sunday, so there will
27) Given exp. = 102 + 104 + 106 + 108
18225 18225 18225 be five Sundays in the month.
= + + 18225 +
10 102 103 104
=
135 135
+ +
135
+
135
10 100 1000 10000
Required average = ( 510 x 5 + 240 x 25
30
)
8550
= = 285.
= 13.5 + 1.35 + 0.135 + 0.0135 = 14.9985. 30
55 x 784 27 + x 28
28) 1+ = 1 + 27 729 = 27 = 27
729
27 + x
= 27 + x = 28 x = 1.
27
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Paper - 3
1) batches 8)
1) 53.33 2) 54.68 1) 3 2) 4
3) 55 4) none of these
3) 9
2) kgs 4) Cannot be determined
kgs 5) None of these
9)
1) 47.55 kgs 2) 48 kgs
3) 48.55 kgs 4) 49.25 kgs 1) 16 years
3) 2) 18 years
Rs. Rs. Rs. 3) 28 years
Rs. 4) Cannot be determined
5) None of these
1) Rs. 7.98 2) Rs. 8
10) P, Q P Q
3) Rs. 8.50 4) Rs. 9
4) x y 1) 3 : 4
z 2) 3 : 5
1) x = y + z 2) 2x = y + z 3) 4 : 3
3) x = 2y + 2z 4) None of these 4) Data inadequate
5) None of these
5) Rs.
11) P, Q Q
Rs. P
1) Rs. 260 P, Q
2) Rs. 290 1) 48 years
3) Rs. 292.50 2) 52 years
4) Rs. 400.50 3) 56 years
4) Cannot be determined
6) 5) None of these
12)
1) 3 2) 5
3) 9 4) 11
1) 12 years
7)
2) 15 years
3) 19 1 years
2
1) 1 2) 2 4) 21 years
3) 4 4) Data inadeuqate
13) (17)3.5 x (17)? = 178 22) per kgkgkg
1) 2.29 2) 2.75 3) 4.25 4) 4.5 kg
14) per kg
1) No profit, no loss 2) 5%
3) 8% 4) 10%
( 4000
=
7.50
+
4000
8
+
4000
8.50
)litres x-7
x
7
= 9 9x - 63 = 7x 2x = 63
2
= 4000 ( 15 +
1
8
+
2
17
)litres x = 31.5
Total amount spent = Rs. (3 x 4000) = Rs. 12000. Hence, Sachin's age = (x - 7) = 24.5 years.
10) Let P's age and Q's age be 6x years and 7x years
= 7 : 8.
5) Let the average expenditure be Rs. x. Then.
11) Let the present ages of P and Q be 5x years and 7x
9x = 8 x 30 + ( x + 20) or 9x = x + 260 or 8x = 260 or
years respectively.
x = 32.50.
Then, 7x - (5x + 6) = 2 2x = 8 x = 4.
Total money spent = 9x = Rs. (9 x 32.50)
Required sum = 5x + 7x = 12x = 48 years.
= Rs. 292.50.
12) Let the present ages of Arun and Deepak be 4x years
and 3x years respectively.
6) x y
Then,
x + y. 4x + 6 = 26 4x = 20 x = 5.
Deepak's age = 3x = 15 years.
x + y.
1 1 1
= Rs. 270. 34) Ratio of initial investments = : : = 6 : 4 : 3.
2 3 4
S.P. of 9 kg = kg = Rs. (9 x 33) = Rs. 297. Let their initial investments be 6x, 2x and 3x respec-
27
Profit % = ( x 100 )% = 10%. tively.
270
A : B : C = (6x x 2 + 3x x 10) : (4x x 12) : (3x x 12)
26) x
6-x 16 = 42 : 48 : 36 = 7 : 8 : 6.
< 21 (6 - x) < 16 ( 7 - x) 5x > 14
7 - x 21 8
B's share = Rs. (378 x 21 ) = Rs. 144.
x > 2.8.
7 4 6
35) Ratioof initial investments = : : =105 : 40 : 36
2 3 5
= Rs. 11200.
31) A : B : C = 10 x 7 : 12 x 5 : 15 X 3 = 70 : 60 : 45
= 14 : 12 : 9.
9
C's rent = Rs.(175 x ) = Rs. 45.
35
32) A : B : C = 3 : 2 B : A = 2 : 3 = 4 : 6 and A : C
= 2 : 1 = 6 : 3.
So, B : A : C = 4 : 6 : 3 or A: B : C = 6 : 4 : 3.
Paper - 4
1) A, B, 7)
1
S.I.
4
14
1
A B
5 1) Rs. 787.50 2) Rs. 812.50
Rs. 3) Rs. 860 4) Rs. 887.50
A 1
8)
2
1) Rs. 330 2) Rs. 360
S.I.
3) Rs. 380 4) Rs. 430
1) Rs. 22.50 2) Rs. 27.30
1
2) 1
A 3) Rs. 28.80 4) Rs. 29
6 1 6
1 B
6 3 9) S.I.
1
S.I.
4
Rs.B
1) Rs. 650 2) Rs. 800 1) Rs. 112.50 2) Rs. 125
3) Rs. 960 4) Rs. 1000 3) Rs. 150 4) Rs. 167.50
34)
1) 1 : 2 2) 2 : 3 3) 3 : 4 4) 3 : 5
35)
1) 5 2) 10 3) 20 4) 30
1) 1 2) 2 3) 2 4) 2 5) 3 6) 2 7) 1 8) 2 9) 1 10) 2 11) 5 12) 3
13) 1 14) 3 15) 3 16) 2 17) 1 18) 3 19) 3 20) 1 21) 4 22) 1 23) 5 24) 4 25) 5
26) 4 27) 3 28) 2 29) 4 30) 1 31) 2 32) 2 33) 1 34) 2 35) 3
Rs. 1
8) Time = (22 + 30 + 21) days = 73 days = year.
5
Rs. Rs. 1
S.I. = Rs. [ 1820 x 15 x 1 x ] = Rs. 27.30.
2 5 100
(6500 x 6) : (8400x5) : (10000 x 3) 25 2
9) Gain in 2 yrs. = Rs.[(5000 x x
4 100
)-( 5000x4x2
100
)]
= 39000 : 42000 : 30000 = 13 : 14 : 10.
= Rs.(652 - 400) = Rs. 225.
14
B = Rs. (7030 x ) = Rs. 2660.
37
Gain in 1 year = Rs. ( 225 ) = Rs. 112.50.
2
4) A : B : C = 500 : 300 : 200 = 5 : 3 : 2. 100 x 81
10) Time = ( ) years = 4 years.
450 x 4.5
Let their capitals be 5x, 3x and 2x respectively.
5
11) Amount = Rs. (8000x(1+ 100 )2)
Then, 5x = 10000 x = 2000.
21 21
Rs. (8000x x )= Rs. 8820.
20 20
C's capital = 2x = Rs. 4000.
12 2
12) Amount = Rs. (25000x(1+ ))
100
5) By the rule of alligation :
Rs. (25000x 28 x 28 x 28 )
25 25 25
Cost of 1 kg pulses of 1st kind Cost of 1 kg pulses of 2st kind
= Rs. 35123.20
Rs. 15 Rs. 20
C.I. = Rs. (35123.20 - 25000) = Rs. 10123.20.
Mean price
13) Time = 2 73 years = 2 1 Years.
Rs. 16.50 365 5
1 25
25
[
Amount = Rs. 20480(1 + 4 x 100 ) (1+ 5 x 4 )
2
100
]
3.50 1.50 = Rs. (20480 x 17 x 17 x 81 ) = Rs. 23409.
16 16 80
Required ratio = 3.50 : 1.50 = 35 : 15 = 7 : 3. C.I. = Rs. (23409 - 20480) = Rs. 2929.
5 3 5
14) Amount = Rs. [200(1 + ) + 200 (1 +100 )2 + 200
100
5 Rs. 2; S.P. = Rs. 80.
(1 + )]
100
21 21 21 5 2
= Rs. (200x x x + 200 x 21 x 21 +200 x 21 ] ( 75 x 100)% = 6 3 %.
20 20 20 20 20 20
= Rs. [200 x 21 ( 21 x 21 + 21 + 1)]
20 20 20 20 23) S.P. = Rs. 17940. = Rs. x
= Rs. 662.02.
92 x = 17940 x = Rs. (17940 x 100 ) = Rs. 19500.
15) P = Rs. 15000; R = 10% p.a. = 5% per half-year; T=1 100 92
1 S.P.
100 x280
= Rs
112
30
1 1 1
(A + B) =Rs.
20 30 12
26) Let the original value of the tempo be Rs. x. Then,
1 1 5 4 13 1 4
21) 1.3% of 5 of x = 910 10 x 100 x 5 x x = 910
4 9 36
36
5
x= (910x10x100x5
13x4
) = 87500.
22) Rs. 27) Let the total production be x lakh tons. Then, 15% of
state be x.
Then, 7% of x - 6% of x = 80 1 % of x = 80
x = 80 x 100 = 8000.
Then, (60 - x) - 6 = 5 (x - 6) 54 - x = 5x - 30
6x = 84 x = 14.
30) (A + B) - (B + C) = 12 A - C = 12.
x = 21.
(600 - x).
Paper - 5
1 1 1
2 ÷ 2 of 2 8)
1) The value of is :
1 + 1 of 1
2 2 2
1
1) 1 2) 1 2
3
3
2 1) 6 2) 18
3) 2 3 4) 3
3) 27 4) 36
1
2) If 2 = x + 1 + 1 , then the value of x is : 9)
3 +1
4
1) 12 2) 13 3) 18 4) 21
17 17 17 17
1) 8 years 2) 10 years
3) 24 + 216 =? 3) 12 years 4) 15 years
96
2
10)
1) 2 6 2) 2 3) 6 2 4) 1
6 3
4) 0.204 x 42 is equal to : 1) 25 years 2) 30 years
0.07 x 3.4
3) 36 years 4) Cannot be determined
1) 1 2) 0.06 3) 0.6 4) 6
6 5) None of these
1 1 1
2 4 4 8 2
1) Given exp. = ÷ = 2x 4 = 2x 3 = 3 = 2 3. 9) 3x
1 + 1 2+1
2 4 4 4x + 4 = 9 7 (4x + 4) = 9 (3x + 4) x = 8.
3x + 4 4
1 1 1
2) x = 2 -1 + 1 = 2 -1 + 4 = 2 - (17 / 13)
(13/4) 13
= 2 - 13 = 21 . 32 - z 5
17 17 Then, = 3 (32 - z) = 5 (24 - z) 2z = 24
24 - z 3
z = 12.
3) 24 + 216 = 4x6 + 36x6 = 2 6 +6 6 = 8 6 = 2. 10) Let the school ages of Neelam and Shaan be 5x and
96 16 x 6 46 4 6
5 25
13) 5% of (25% of Rs. 1600) = Rs. [100x [ 100 x 1600]]
6) Sum of the weights of the students after replacement
= Rs. 20.
= [(52 x 45) - (48 x 5) + (54 x 5)] kg = 2370 kg.
15 1
New average = (
2370
) kg = 53 23 kg.
14) 0.15% of 33 % of Rs. 10,000 = Rs [ 100 x
100
x
45
100 1
( x x 10000)] = Rs. 5.
3 100
7) Total age increased = (8 x 2) years = 16 years.
60 28
15) Clearly, 60% of 28% of 240 = [ 100 x 100 x 240]
Sum of ages of two new men = (21 + 23 + 16) years
= ( 30 x 28 x 2 x 240)
= 60 years 100 100
30
60 =( x 28 x 480) = 30% of 28% of 480.
Average age of two new men = ( ) years 100 100
2
= 30 years.
16) kg
of 1000 gm = 800 gm.
gm C.P. = Re. 1
8) 2x- 6
2 x
2x 2x- 6 4x
3x 3 3x 3x 9x C.P. = Rs.800.
2 2
= 18x - 54x = 12x S.P = 110% of C.P. of 1 kg = Rs.
6x2 = 54x x = 9. ( 110 x 1000) = Rs. 1100.
100
85000 x 12 3 5
21) x B = or x 32) Amount = Rs. (8000x(1+ 100 )2)
42500 x x 1
85000 x 12 21 21
= 42500 x 3 = 8. Rs. (8000x x )= Rs. 8820.
20 20
B 33) Let breadth = x metres.Then, length = (x + 20)
metres.
22) Let the required cost be x paise. Less weight, Less 5300
Perimeter = ( )m = 200 m.
26.50
2[(x + 20) + x] = 200 2x+20 = 100 2x =80 x=40.
cost (Direct Proportion)
Hence, length = x + 20 = 60 m.
250 : 200 : : 60 : x 10
34) (4x 5 ) m/sec = 9 m/s.
18
250 x x = (200 x 60) x=
(200x60)
x = 48.
(3 x 60) sec = 80 sec.
250 x= ( 10 x 180) m
9
= 200m.
23) (A + B + C) = ( 1 + 1 + 1 ) = 7 1 1
24 6 12 24 2 x = ( 2 x 200 x 200)m2
24 3
A, B, C = 3 = 20000 m2
7 7
35) Let the side of the square be x metres.
1
24) A
20
B Then, AB + BC = 2x metres.
1 AC = 2 x = (1.41x) m
30
1 1 1 Saving on 2x metres = (0.59x)m.
(A + B)
20 30 12
059x
Saving% = ( x 100)% = 30% (approx).
2x
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Paper - 6
1) 10) A B
1) 64 sq. m 2) 70 sq.m
3) 78 sq. m 4) 84 sq.m
1) 20 years 2) 30 years
2) 3) 45 years 4) None of these
1) 120 cm2, 52 cm 2) 120 cm2, 64 cm 11) (0.04)-15 = ?
3) 240 cm2 4) 240 cm2, 64 cm 1) 25 2) 125 3) 250 4) 625
25)
1) 25 m/sec 2) 1500 m/ min
3) 90 km / hr 4) None of these
26)
kmph
1) 3.6 2) 7.2 3) 8.4 4) 10
29)
1) 1 : 3 2) 2 : 3
3) 3 : 4 4) 4 : 5
1) 2 2) 1 3) 4 4) 4 5) 6 6) 2 7) 4 8) 3 9) 3 10) 4 11) 2 12) 4
13) 3 14) 4 15) 2 16) 3 17) 4 18) 4 19) 2 20) 2 21) 4 22) 3 23) 3 24) 4 25) 4
26) 2 27) 1 28) 2 29) 2 30) 2 31) 1 32) 3 33) 4 34) 4 35) 3
2) Area = 1 d1d2 = ( 1 x 24 x 10) cm2 = 120 cm2 Sum of their present ages = (x + 10) + (2x + 10)
2 2
1 1 D C
OA = 2 d1 = ( 2 x 24) cm = 12 cm. = (3x + 20) = 35 years.
0
OB = 1 d2 = ( 1 x 10) cm = 5 cm. A B
2 2
11) (0.04)-1.5 = ( 4 )-1.5 = ( 1 )- 32= (25) 32 = (52) 32 =5(2x 32 )
100 25
AB2 = OA2 + OB2 = (12)2 + 52 = 169 AB = 13cm. = 53 = 125.
Permeter = (13 x 14) cm = 52 cm. 12) Let (17)3.5 x (17)x = 178. Then, (17)3.5 + x = (17)8.
3.5 + x = 8 x = (8 - 3.5) x = 4.5.
3) Area of the sector ( 1 x arc x R) = ( 1 x 3.5 x5) cm2
2 2
13) Let the number be x, Then,
= 8.75 cm2
75% of x + 75 = x x - 75 x = 75 x - 3 x = 75
100 4
4) Area of the sector = R 0 = ( 22 x 7 x 7 x 108 )cm2
2
2 7 360 x
= 75 x = 300.
4
= 46.2 cm2
14) Let the number be x,
36
5) R + 2R = 36 ( + 2) R = 36 R = ( 22 + 2)
Then, x - 35 = 80 x x - 80 x = 35 x = 35 x 100
7 100 100 20
cm = ( 36 x 7 ) cm = 7 cm. 4
36 = 175 x = 140.
5
x y
6) Area of the semicircle = 1 R2 = ( 1 x 22x 7 x 7)m2 15) Let the numbers be x and y. Then. =
12 12
x = 3y.
2 2 7
x-y 2y
= 77 m2 Requiredpercentage = ( y x 100)%=( x 100)%
y
= 200%.
7) Capacity of the tank = Volume of the tank
16) Let C.P. be Rs. x. Then, 5% of x = (350 - 340) = 10
= ( 8 x 100 x 6 x 100 x 2.5 x 100 ) litres x
1000
20 = 10 x = 200.
= 120000 litres.
respectively. 1
19) Let C.P. be Rs. x. Then, (106% fo x ) - (87 2 % of x)
5x - 4 1
Then = 5x - 4 = 3x + 4 2x = 8 x=4
3x + 4 1 = 51.80
Required ratio = (5x + 4) : (3x - 4) = 24 : 8 = 3 : 1. 1
18
2
% of x = 51.80 x= ( 51.80x100x2
37
) = 280.
20) P = 2x Q = 3x 27) Speed = = (144x 5 )m/sec = 40 m /sec.
18
Q 2 3 3 9x
= R= Q=( x 3x) = .
R 3 2 2 2 Time taken = ( 100 )sec = 2.5 sec.
40
R 2 3 9x
= S= R = ( 3 x ) = 27x.
S 3 2 2 2 2 5 35
9x
P = 2x,P = 2x, Q = 3x, R = and S =27x . 28) Speed = = (63x 18 )m/sec = 2 m /sec.
2 2 2
P + Q + R + S = 1300 (2x + 3x 9x+ +27x) = 1300 Time taken = (280x 35 )sec = 16 sec.
2 2
(8x + 12x + 18x + 27x )
29) By the rule of alligation :
= 5200
Cost of 1 kg rice of 1st kind Cost of 1 kg rice of 2st kind
65x = 5200 x = 5200
65
720p 570 p
= 80.
7
= xy.
25
7 1
- ( 25 xy x
xy
x 100) % = 28%.
20
35) d = 2 x l l=
2
Paper - 7
1) mm mcm. 11) 49 x 49 x 49 x 49 = 7?
1) 4 2) 7 3) 8 4) 16
1) 49 m2 2) 50 m2
12) The value of (8-25 - 8-26) is
2 2
3) 53.5 m 4) 55 m
1) 7 x 8-25 2) 7 x 8-26
2) m m 3) 8 x 8-26 4) None of these
cm
13) A B
1) 12 kg 2) 60 kg 3) 72 kg 4) 96 kg
3) B
1) 2 : 3 2) 4 : 9 1) 1440 2) 1800 3) 3600
3) 12 : 9 4) None of these
4) Data inadequate
4) 14)
1) 1 : 3 2) 1 : 27 3) 3 : 1 4) 27 : 1
5) th
June 1) 300 2) 500 3) 800 4) 1000
1) Monday 2) Tuesday
3) Wednesday 4) Thursday
15)
6) Monday. 1) 672 2) 700
1) Wednesday 2) Saturday 3) 749 4) 848
3) Tuesday 4) Friday
1
16)
2
7) 1
1 2
2
1) 1200 2) 1250 3) 1300 4) 1350
1) Rs. 850 2) Rs. 925
8) 3) Rs. 1080 4) Rs. 1125
1) 800 2) 750 3) 50 4) 1050
17)
9) B A B, C 1) 51 : 52 2) 52 : 53 3) 51 : 53 4) 52 : 55
A, B, C B
18)
1) 7 2) 8 3) 9
4) 10 5) 11
10) 11
1) Neither profit, nor loss 2) 1 25 % loss
3) 1 11 % profit 4) 3 2 % loss
25 25
1) 14 years 2) 18 years 3) 20 years 4) 22 years
19) 28) m kmph
m
1) 40 sec 2) 42 sec
1) 0.25% loss 2) 0.25% gain 3) 45 sec 4) 48 sec
3) 2.5% loss 4) 25% loss
29)
20) per
kg
1) 20 litres 2) 30 litres 1) 3 : 1 2) 3 : 2
3) 40 litres 4) 60 litres 3) 4 : 3 4) 5 : 3
5
27) Speed = (72 x ) m/sec = 20 m/sec.
x (2040+x) 18
16000 x 8 5
Then, = y = ( 16000 x 8 x 2) = 12800. 29) By the rule of alligation :
y x4 2 5 x4
Cost of 1 kg tea of 1st kind Cost of 1 kg tea of 2st kind
22)
6200p 7200 p
} : : 40 : x Mean price
6450 p
1 x 40 x x = 40 x 1 x 40 x = 40.
1 1 2 750 250
23)
3 5 15
Required ratio = 750 : 250 = 3 : 1.
15 1
2 2
100 x 81
30) Time = ( 450 x 4.5 ) years = 4 years.
24)
31) S.I = Rs. (15500 - 12500) = Rs. 3000.
Rate = ( 100 x 3000 ) % = 6%.
12500 x 4
(4x 16 ) 2
3
32) Time = 2 73 years = 2 1 Years.
365 5
B = (1 - 12 ) = 1
2
1 25
2 : 1 ::1:x
[
Amount = Rs. 20480(1 + 25 )2 (1+ 5 x 4 ) ]
x = ( 1 x 1x 3 ) = 3 hrs 4 x 100 100
3 2 2 2 4
= Rs. (20480 x 17 x 17 x 81 ) = Rs. 23409.
i.e.,45 mins.
16 16 80
C.I. = Rs. (23409 - 20480) = Rs. 2929.
33) Clearly, we have : l = 9 and l + 2b = 37 or b = 14.
= ( 120
100
x)m = (
6
5
x)m;
6
= ( 120 x)m = ( y)m
100 5
( 65 xx 65 y)m = (2 36
25
xy)m2
Paper - 8
1) 12) (18)3.5 (27)3.5 x 63.5 =2? :
1) 700 2) 800 3) 1200 4) 2000 1) 3.5 2) 4.5 3) 6 4) 7
1
26)
2
35)
1) 2 : 3 2) 3 : 4 1) 34 2) 40
3) 4 : 5 4) 8 : 9 3) 68 4) 88
1) 1 2) 3 3) 3 4) 1 5) 3 6) 3 7) 4 8) 3 9) 4 10) 3 11) 3 12) 4
13) 1 14) 3 15) 1 16) 1 17) 1 18) 2 19) 2 20) 4 21) 3 22) 4 23) 3 24) 3 25) 3
26) 3 27) 3 28) 4 29) 1 30) 4 31) 2 32) 3 33) 3 34) 5 35) 4
1) leap 10) Let the mother's present age be x years. Then, the
person's present age = ( 2 x) years.
5
2) 'APPLE' A-1, P-2, L-1, E-1 ( 2 x + 8) = 12 (x + 8) 2(2x + 40) = 5(x + 8)
5
5 x = 40.
(1 ) (2 ) (1 ) (1 )
1 4 1 4 (-1) (-4)
11) (64)- 2 - (-32)- 5 = (82)- 2 - {(-2)5} - 5 = 82x 5 -(-2)5x 5
5) Sn = (2 + 4 + 6 + ... + 30) A.P. a = 2, 13) Number of valid votes = 80% of 7500 = 6000.
a + (n - 1) d = 30 2 + (n - 1) x 2 = 30 n = 15.
= [ 45 x 6000) = 2700.
100
Sn = n (a + l) =15 x (2 + 30) = (15 x 16) = 240.
2 2
42
15) x.
25
24 of x.
16 90% of (90% of x).
12
54% of [90% of x)] - 46% of [90% of (90% of x)]
4
= 1620
9) Let the present ages of the father and son be 2x
8% of [90% of (90% of x)] = 1620
and x yeras respectively.
8 90 90
Then, (2x - 18) = 3 (x - 18) x = 36. x x x x = 1620
100 100 100
1620x100x100x100
Required sum = (2x + x) = 3x = 108 years. x={ 8x90x90 } = 25000.
16) Loss % = ( 5 )2% = (0.5)2% = 0.25%. 22) x
10
800 2
= ( 4800 x 100)% = 16
3
%.
23) (A + B + C) 1 A 1
4 16
18) Total S.P. = Rs. 2 lakh. 1
B 12
C.P. of house = Rs. ( 100 x 1) lakh = Rs. 5 lakh.
80 4 5
C 1 - ( 1 + 1 ) = ( 1 - 7 ) = 48
C.P. of shop = Rs. ( 100 x 1) lakh = Rs. 5 lakh. 4 16 12 4 48
120 6
48 3
Total C.P. = Rs. ( 5 + 5 ) lakh = Rs. 25 lakh. C
12 5 5
4 6
Loss = Rs. ( 25 - 2) lakh = Rs. 1 lakh.
12 12 1 1 1
24) (A + B + C)
5 10 30
19) Total C.P. = Rs. (120 x110) = Rs. 13200. 1
3
Total S.P = Rs.[(30 x 110 + 30 x 12) + (75 x 110 + 75
x 14) + (15 x 110 - 15 x 7)] = Rs. 14505.
of x = 98000 x = (98000 x 100 ) = 480000. Let the length of the tunnel be x metres.
20
P, Q, R Rs. 5x, Rs. 6x, Rs. 6x Then, 800 + x = 65 3(800 + x) = 3900
60 3
x = 500
0 Rs. 12
Mean price
Rs. 8
4 8
1 7
30) Time = 2 years 4 months = 2 3 years = 3 years.
5 3 5
32) Amount = Rs. [200(1 + ) + 200 (1 +100 )2 + 200
100
5
(1 + )]
100
21 21 21
= Rs. (200x 20 x 20 x 20 + 200 x 21 x 21 +200 x 21 ]
20 20 20
= Rs. [200 x 21 ( 21 x 21 + 21 + 1)]
20 20 20 20
= Rs. 662.02.
Paper - 9
1) H.C.F 12 9)
1) 4, 8, 12 2) 5, 10, 15
3) 1, 20, 30 4) 12, 24, 36
2) H.C.F L.C.M. 1) 1 : 2 2) 1 : 5 3) 3 : 8
1) 12 2) 16 4) None of these
3) 24 4) 48
10)
3) L.C.M.
1) 28 2) 32 1) 5 : 2 2) 7 : 3 3) 9 : 2 4) 13 : 4
3) 40 4) 64
11) If 2n = 64, then the value of n is :
4) 1) 2 2) 4 3) 6 4) 12
12) If ( 3)5 x 92 = 3n x 3 3, then the value of n is :
1) 2 2) 3 3) 4 4) 5
1) 1 2) 7
3) 31 4) 41 13)
5)
1) 4 2) 7
3) 9 4) 13 1) 4.2 2) 6.4 3) 6.8 4) 8
1) 1 2) -3
3
1
3) - 4) 3
3
34)
1) 15 10cm 2) 16 10 cm
3) 24 10 cm 4) 64 cm
35)
1) 3 : 1 2) 3:1
3) 3:1 4) 2 2 : 1
1) 4 2) 4 3) 3 4) 3 5) 1 6) 4 7) 4 8) 4 9) 4 10) 2 11) 4 12) 4
13) 3 14) 3 15) 2 16) 2 17) 3 18) 1 19) 3 20) 2 21) 4 22) 1 23) 2 24) 3 25) 1
26) 1 27) 3 28) 4 29) 1 30) 3 31) 3 32) 3 33) 1 34) 4 35) 4
x = 4. 3 13 13 3
n+ 2 =2 n2= ( 2- ) = 10 = 5.
L.C.M.
B ofof x
60 70
=( 100 x 100 x 100 )% of x = 42% of x.
7) Required number = (L. C. M of 12, 15, 20, 54) + 8 = [100 - (30 + 42)]% of x = 28% of x.
= 540 + 8 = 548. 30% of x - 28% of x = 1200 2% of x = 1200
48
T x+8 +8 88 11 Rs. (42 x 18) = Rs. 756.
G = 8x +8 = 85x48 =
+8 424 53
= 16)
5
10) Let the ages of father and son 10 years ago be 3x Rs. (460 + 144) = Rs. 604.
and x years respectively.
Rs. (756 - 604) = Rs. 152.
Then, (3x + 10) + 10 = 2[(x + 10) + 10] 3x + 20 =
2x + 40 x = 20. Rs. ( 152
20
) = Rs. 7.60.
Required ratio = (3x + 10) : (x + 10) = 70 : 30 = 7 : 3.
17) C.P. of 20 dozen = Rs. (48 x 20) = Rs. 960. 7
14x 5
Now, = 70x = 40y y= 4 x
8y 7
C.P. of 8 dozen = Rs. (48 x 8) = Rs. 384.
And, 14x = 5 112x = 35z z = 112 x = 16x
7y 8 35 5
C.P. of 12 dozen = Rs. (960 - 384) = Rs. 576. x : y : z = x7: x16
: x = 20 : 35 : 64.
4 5
110 120
Total S.P. = Rs. ( x 384 + x 576)
100 100 22) x
= Rs. 1113.60.
Profit % (153.60 x 100)% = 16%.
960
3
th = Rs. (
3 1
x 400) = Rs. 300. C.P. of th
}x
18) C.P. of
4 4 4
10x 18x6
= Rs. 100. x x =
15x12
x = 6.
Total S.P. = (90% of Rs. 300 + 110% of Rs. 100)
23) A, B C x, x
= Rs. 380. 2
x
3
Loss = ( 20 x 100)% = 5%. 1 2 3 1 6 1
400 ( x+ x + x)=
2 x = 2 x = 12.
1 2x
19) Let C.P. of whole be Rs. x C.P. of 2 = Rs. 3 C.P. of B
1
rd = Rs. 1 1 1 17
3 24)
5 6 12 60
x
Total S.P. = Rs. [(120% of 2x ) + (114% of 3 )] =
3 60 9
hrs i.e.,
4x 19x 59x 17 17
Rs. ( + ) = Rs. 50
5 50 550 18 33
Gain = Rs. ( 59x - x) = Rs. 25) Ratio of speeds = ( 60 x 5 ) : ( 45 x 60) = 33 : 44
50
9x 1 = 3 : 4.
Gain % ( x x x 100)% = 18%.
50
26) Let the speeds of two train be 7x and 8x km/hr.
20) xy
Then, 8x = 400 = 100 x = ( 100 ) = 12.5
4 8
540y + x = 1800 ....(i) 620y + x = 2040
Speed of first train = (7 x 12.5) km/hr
....(ii)
= 87.5 km/hr
(ii) - (i) 80y = 240 y = 3.
27) Speed = (78 x 5 ) m/sec = ( 65 ) m/sec.
18 3
(i)y = 3 540 x 3 + x = 1800
Time = 1 minute = 60 sec.
x = (1800 - 1620) = 180.
Let the length of the tunnel be x metres.
65
Then, 800 + x = 3(800 + x) = 3900
60 3
x = 500
21) Let their investments be Rs. x for 14 months; Rs. y for 28) Speed = (72 x 5 ) m/sec = 20 m/sec; Time = 26 sec.
18
8 months and Rs. z for 7 months respectively. Let the length of the train be x metres.
Mean price
Rs. x
(20 - x) (x - 15)
(20-x) 2
= 60 - 3x = 2x - 30 5x = 90 x = 18.
(x-15) 3
= 13200 x = 120.
Paper - 10
1) 0.002 x 0.5 = ? 1
11) If x = 3 + 2 2, then the value of ( x - x ) is :
1) 0.0001 2) 0.001 3) 0.01 4) 0.1
1) 1 2) 2 3) 2 2 4) 3 3
3
2) 37 16 1 1
12) If 2x + 85 = 25 , Then x is equal to :
1 4 15
1) 1 2) 3)
8 3 16 1) 1 2) - 1 3) 2 4) - 2
5 5 5 5
4) None of these
13) Rs.
1 1 1 1
3) The value of (1+
2
) (1+
3
)(1+
4
) .......(1+ ) is:
120 Rs.
1) 30 2) 40.5 3) 60.5 4) 121
4)
1) 8%
13
2) 8 17%
1) 22 2) 23 15 1
3) 817 % 4) 8 2 %
3) 24 4) 26
14) test
5) The value of 10 + 25 + 108 + 154 + 225 is :
1) 4 2) 6 3) 8 4) 10
aggregate
6) 176 + 2401 is equal to :
1) 64 2) 68
1) 14 2) 15 3) 18 4) 24
3) 70 4) None of these
7) 0.00004761 equals :
1) 1 2) 4
8
3) 8 4) 16
34)
1) 55 2) 56
3) 57 4) 58
35)
1) 18000 2) 20000
= 60.5.
3 1 1 3 -2
4) Let the number of hens be x and the number of cows x+ = x=( - )=
5 5 5 5 5
9) Let the present ages of son and father be x and Percentage failure = ( 1128 x 100) = 62 %.
1800
(60 - x) years respectively.
Son's age after 6 years = (x + 6) = 20 years. X C.P. = 98% of Rs. 157500 = Rs. 154350.
28
18) Let S.P. be Rs. x. Then, C.P. = Rs.13 x, Receipt = 22) x
15 25
112% of Rs. x = Rs.x. 9
5
Gain = Rs. ( 28x - 13x ) = Rs. 19x 27
25 15 75
3 5
Gain% = ( 19x x 15x x 100)% = 380 % = 29 %
75 13x 13 13 27
5
57
19) Let the article be worth Rs. x. 5
9x
C.P = 90% of Rs x = Rs. ; S.P. = 110% of Rs. x =
10
Rs. 11x 57
57 x
x
10 5 5
11x 9x x
Gain = Rs. ( - 10 ) = Rs. 5 5
10 x
57
x 10 2
Gain% = ( 5 x 9x x 100)% = 22 9 %>20%.
23) (A + B) 1 (B + C) 1
12 15
20) 3x , 4x, 5x litres (A + C)
1
20
1 1 1
2 (A + B + C) = (12 + + 20 ) = 12
15 60
= (3x + 45 ) litres = 12x
5
litres. = 1
5
= (3x +12x
5
) litres = 3x litres. 1
(A + B + C) = 10
5
3
= (4x + 4
) litres = 3x litres. A, B C
= (4x - 3x) litres = x litres.
24) B
25x
= (5x + 57 ) litres = 7 litres. 1 1 1 1
3
1
50 60 75 50 100 100
10x
= (5x - 25x
7 ) litres = 7 litres.
= ( 3x
5
+ 3x +25x ) litres = 314x
7 35
litres.
25)
10x 106x
( 3x
5
+ x + 7 ) litres = 35 litres.
mkm
106x
= 314x
35
:
35
= 157 : 53.
km/hr
26) = ( 600
100
) hrs = 6 hrs. 33) Let log2 16 = n. Then, 2n = 16 = 24 n = 4.
= 600
75
- 1 = 7. log2 16 = n.
= (3 x 7) min = 21 min. 34) Permeter of the plot = 2 (90 + 50) = 280 m.
35)
27) Speed = (90x 5 ) m/sec = 25 m/sec; Time = 1 min. =
18
60 sec.
Let the length of the train and that of the platform be
x metres.
25 x 60
Then, 2x = 25 x= 2 = 750.
60
Rs. 60 Rs. 65
Mean price
Rs. 62
3 2
Required ratio = 3 : 2.
100
31) Sum = ( 100xS.I ) = Rs. ( 100x x ) = Rs. ( )
RxT xx x x
5 5
32) Amount = Rs. [1600x(1+ 2x100)2 + 1600 x (1+ 2x100 )]
41 41 41
= Rs. [1600 x 40 x 40 + 1600 x 40 ]