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Punjab (PTB) · Chapter test · Free

5th Class Mathematics Chapter 2 TestUNIT 2: HCF and LCM

20 marks · 40 minutes · 16 questions. Covers: UNIT 2: HCF and LCM.

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5th Class Mathematics Chapter 2 Test

5th Class · Mathematics · Punjab (PTB)

Name: ____________Roll No: ________Class/Section: ________Date: ________Total marks: 20Time: 40 minutes

Q1. Multiple choice questions (Attempt all · 8 × 1 = 8)

  1.  What is the smallest number that can completely be divided by 42, 38, and 16 without leaving any remainder?

    1. 6,384

    2. 3,192

    3. 12,768

    4. 1,596

  2. What is the LCM of 14 and 70?

    1. 14

    2. 70

    3. 140

    4. 280

  3. Find the LCM of 20 and 15:

    1. 30

    2. 40

    3. 60

    4. 120

  4. The LCM of 33, 66 and 81 is ......

    2. 1 872 

  5. Prime factorization of 16 is ......

  6. What is the LCM of 9, 18, and 27?

    1. 27

    2. 54

    3. 81

    4. 108

  7.  Find the LCM of 16, 32, and 48:

    1. 48

    2. 64

    3. 96

    4. 144

  8. The LCM of two or more prime numbers is always equal to their ......

    1. Prime factor

    2. Quotient

    3. LCM

    4. Product

Q2. Short questions (Attempt any 6 of 8 · 6 × 2 = 12)

  1. Find the HCF of the following numbers by using division method.  42, 98

  2. Find the LCM of the following numbers using prime factorization.  4, 10, 16

  3. Find the HCF of the following numbers by using division method.  13, 65

  4. Find the smallest number that can completely be divided by 42, 38 amd 16 without leaving any remainder.

  5. Find the HCF of the following numbers by using prime factorization method.  58, 72

  6. Find the LCM of the following numbers using prime factorization.  20, 25, 50

  7. Find the LCM of the following numbers using division.  7, 11

  8. Find the HCF of the following numbers using division.  34, 48, 62