# Be My Multiple I Will Be Your Factor | Class 5 Maths Important Questions

IMPORTANT QUESTIONS FOR CBSE EXAMINATION | CLASS 5 MATHEMATICS

Be My Multiple I’ll be your factor – Lesson 7

Answer the following (2 marks):

1. Write the factors of 16 and 24 and find its HCF?

2. Find first four common multiples of 4 and 8.

3. Complete the pattern:

a) 10, 20, –, –, –, —, —

b) 9, 18, –, —, —, 54, —

4. Write the first five multiples of 8.

5. Find the LCM of 2, 6 and 8.

6. Find all factors of 24.

7. Find the HCF of 9 and 27.

8. Divide the following numbers into prime and composite numbers:

4, 9, 12, 32, 45, 7, 11, 34, 13, 18

9. Two wires of length 18 m and 27m in length are to be cut into small pieces of equal lengths. Find the maximum length of each piece?

10. Find the least number which when divided by 4, 6 and 8 leaves a remainder 5 in each case?

**ANSWERS:**

1. Factors of 16 are 1, 2, 4, 8, and 16.

Factors of 24 are 1, 2, 3, 4, 6, 8, 12 and 24.

Common factors are 1, 2, 4 and 8.

HCF = 8

2. Multiples of 4 are 4, 8, 12, 16, 20, 24, 28, 32, 36…………..

Multiples of 8 are 8, 16, 24, 32, 40, 48, 56, 64………………….

Common Multiples are 8, 16, 24, and 32.

3. a) 10, 20, 30, 40, 50, 60 ………………

b) 9, 18, 27, 36, 45, 54, 63………………..

4. Multiples of 8 are 8, 16, 24, 32, 40………………

5. Multiples of 2 are 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24………………

Multiples of 6 are 6, 12, 18, 24, 30, 36, 42, 48…………………….

Multiples of 8 are 8, 16, 24, 32, 40, 48, 56………………………

Common Multiples are 24, 48………………

LCM = 24

6. Factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24.

7. Factors of 9 are 1, 3 and 9.

Factors of 27 are 1, 3, 9 and 27.

Common Factors are 1, 3 and 9.

HCF = 9

8. Prime Numbers: 7, 11, 13

Composite numbers: 4,9,12, 32, 45, 34, 18.

9. Factors of 18 are 1, 2, 3, 6, 9 and 18.

Factors of 27 are 1, 3, 9 and 27.Common Factors are 1, 3 and 9.

HCF = 9

10. Multiples of 4 are 4, 8, 12, 16, 20, 24, 28, 32, 36, 40……..

Multiples of 6 are 6, 12, 18, 24, 30, 36, 42, 48……………..

Multiples of 8 are 8, 16, 24, 32, 40, 48, 56…………………

Common Multiples are 24, 48……………

LCM = 24

The least number which when divided by 4, 6 and 8 leaves a remainder 5 in each case = 24 + 5= 29.

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