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    HCF&LCM Test

    Uploaded by

    Rahul Banerjee
    This document provides instructions for a test on finding the lowest common multiple (LCM) and highest common factor (HCF) of groups of numbers. The test has 5 sections with 3 problems each, and students must answer 2 problems from each section. Section I has students find LCMs by listing multiples, Section II by finding common prime factors, Section III uses the division method, Section IV finds HCFs using complete factorization, and Section V employs the long division method.

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    HCF&LCM Test

    Uploaded by

    Rahul Banerjee
    294 views1 page
    This document provides instructions for a test on finding the lowest common multiple (LCM) and highest common factor (HCF) of groups of numbers. The test has 5 sections with 3 problems each, and students must answer 2 problems from each section. Section I has students find LCMs by listing multiples, Section II by finding common prime factors, Section III uses the division method, Section IV finds HCFs using complete factorization, and Section V employs the long division method.

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    Hcf&Lcm Test

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    This document provides instructions for a test on finding the lowest common multiple (LCM) and highest common factor (HCF) of groups of numbers. The test has 5 sections with 3 problems each, and students must answer 2 problems from each section. Section I has students find LCMs by listing multiples, Section II by finding common prime factors, Section III uses the division method, Section IV finds HCFs using complete factorization, and Section V employs the long division method.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    294 views1 page

    HCF&LCM Test

    Uploaded by

    Rahul Banerjee
    This document provides instructions for a test on finding the lowest common multiple (LCM) and highest common factor (HCF) of groups of numbers. The test has 5 sections with 3 problems each, and students must answer 2 problems from each section. Section I has students find LCMs by listing multiples, Section II by finding common prime factors, Section III uses the division method, Section IV finds HCFs using complete factorization, and Section V employs the long division method.

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    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    of 1

    TEST-1: LCM & HCF (10 X 5 =50 Marks) TIME: 30 Mins

    I. Find the L.C.M.  Of the following by listing their multiples. (Answer Any 2)

    (i) 5, 10, 15

    (ii) 7, 14, 21

    (iii) 10, 20, 25

    II. Find the L.C.M.  of the following by finding common prime factors.(Answer any 2)

    (i) 60, 75, 120

    (ii) 48, 80, 112

    (iii) 18, 54, 72

    III. Find the L.C.M.  by division method. (Answer any 2)

    (i) 70, 110, 150

    (ii) 25, 30, 150

    (iii) 36, 60, 120

    IV.  Find highest common factor of the following by complete factorization: (Answer
    Any 2)

    (i) 48, 56, 72

    (ii) 198, 360

    (iii) 102, 68, 136

    V. Find the H.C.F. by long division method: (Answer Any 2)

    (i) 120, 168

    (ii) 430, 516, 817

    (iii) 632, 790, 869

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