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JEE (Main + Advanced) 2022

JEE (Main + Advanced) 2022


ENTHUSIAST COURSE
ENTHUSIAST COURSE
RACE # 09 MATH EMATI CS
Straight Objective Type
1. Statement-1 : ƒ is an even function, g and h are odd functions, all 3 being polynomials. Given ƒ(1) = 0,

ƒ(2) = 1, ƒ(3) = –5, g(1) = 1, g(–3) = 2, g(5) = 3,h(1) = 3, h (3) = 5 and h(5) = 1.
The value of ƒ(g(h(1))) + g(h(ƒ(3))) + h(ƒ(g(–1))) is equal to zero.
Statement-2 : If a polynomial function P(x) is odd then P(0) =0.
(A) Statement-1 is true, statement-2 is true and statement-2 is correct explanation for statement-1.
(B) Statement-1 is true, statement-2 is true and statement-2 is NOT the correct explanation for statement-1.
(C) Statement-1 is true, statement-2 is false.
(D) Statement-1 is false, statement-2 is true.
4 log x
2. If 25 625  5x  6  0 is satisfied for 2 values of x (say x1 & x2), then x1 + x2 is equal to -
(A) 2 (B) 3 (C) 5 (D) 7
Multiple Correct Answer Type
2
3. Let f(x) = [x] + [x + 1] – 3, where [x] denotes greatest integer less than or equal to x, then which of the
following statement(s) is/are CORRECT ?
(A) f(x) is many one function (B) f(x) vanishes for atleast three values of x.
(C) f(x) is neither even nor odd function. (D) f(x) is aperiodic.
4. Which of the following(s) is(are) correct ?
(A) The fundamental period of the function
x x x x x x
ƒ(x)  cosec    sec    cot    tan    cos    sin   is 420.
2 3 4 5 6 7
(B) If ƒ is a function such that ƒ(s) = ƒ(t) then s = t.
(C) A vertical line intersect the graph of a function atmost once.

x 2 , x  0
(D) If h(x)   then h(h(x)) = h(x) x  R.
 x, x  0
y
5. The figure illustrate graph of the function y = f(x) 2

defined in [–3,2]. Identify the correct statement(s) ?


x
–3 –2 1(0,0) O 1 2 3
(A) Range of y = f(–|x|) is [–2,2]
–1
(B) Domain of y = f(|x|) is [–2,2] –2

(C) Domain of y = f(|x| + 1) is [–1,1]

(D) Range of y = f(|x| + 1) is [–1,0]

MATHEMATICS / R # 09 E-1 / 2
JEE (Main + Advanced) 2022

ENTHUSIAST COURSE
Matrix Match Type
6. Column-I Column-II

 1
x tan 1 , if x0
(A) f(x)   x (P) even

 0, if x0

 x cot 1 x, if x0
(B) g(x)   (Q) odd
 0 if x0

 2 1
 x tan 1 , if x0
(C) h(x)  x (R) neither even nor odd

 0, if x0

 x cot 1 x 2 , if x0
(D) k(x)   (S) even as well as odd
 0, if x0

7. Column-I Column-II
(A) Let f : R  R be defined as f(x)  3 x  tan 1 x , then f(x) is (P) one-one
(B) Let f : (–,)  {–1,0,1} be defined as (Q) into
f(x) = sin3(sgn (x2 + 3x + 5)) then f(x) is
(where sgn x denotes signum function of x.)
x2
(C) Let f : [–2,2]  (0,e2] be defined as f(x)  e , then f(x) is (R) odd

(D) Let f : (–1,5)  [0,3] be defined as f(x)  5  4x  x 2 , (S) non-invertible


then f(x) is (T) aperiodic
Subjective Type Questions
8. The system of equationy + z = a + 2x
x + z = b + 2y
x + y = c + 2z, where a,b,c  0

is consistent & b  4a  c , then absolute value of sum of roots of equation ax2 + bx + c = 0 is


4
9. Out of 10 pens, 3 are identical of black colour, some are identical of blue colour and rest are different.
If they can be arranged in 840 ways, then the number of blue colour pens is equal to
10. The letters of the word PINTU are permuted such that vowels are not together and all the permutations
are arranged in alphabetical order as in an English dictionary . If rank of the word 'PINTU' is 'k', then
sum of digits of 'k' is

RACE # 08 MATHEMATICS
1. C 2. D 3. D 4. C 5. C 6. D 7. B
8. C 9. A 10. A
E-2 / 2 MATHEMATICS / R # 09

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