**NCERT Solutions for Class 6 Maths Chapter 3**: NCERT Solutions for Class 6 Maths Chapter 3 **Playing With Numbers** Exercise 3.1

- Class 6 Maths Chapter 3 Exercise 3.1
- Class 6 Maths Chapter 3 Exercise 3.2
- Class 6 Maths Chapter 3 Exercise 3.3
- Class 6 Maths Chapter 3 Exercise 3.4
- Class 6 Maths Chapter 3 Exercise 3.5
- Class 6 Maths Chapter 3 Exercise 3.6
- Class 6 Maths Chapter 3 Exercise 3.7

## NCERT Solutions for Class 6 Maths Chapter 3 Whole Numbers Exercise 3.1

1. Write all the factors of the following numbers:

(A)24

(B)15

(C)21

(D)27

(E)12

(F)20

(G)18

(H)23

(I)36

**Solution:**

(A)We can write,

24=1×24

24=2×12

24=3×8

24=4×6

24=6×4

∴ Factors of 24=1,2,3,4,6,12,24

(B)We can write,

15=1×15

15=3×5

∴ Factors of 15=1,3,5,15

(C)We can write,

21=1×21

21=3×7

21=7×3

∴ Factors of 21=1,3,7,21

(D) We can write,

27=1×27

27=3×9

27=9×3

∴ Factors of 27=1,3,9,27

(E) We can write,

12=1×12

12=2×6

12=3×4

12=4×3

∴ Factors of 12 = 1,2,3,4,6,12

(F) We can write,

20=1×20

20=2×10

20=4×5

20=5×4

∴ Factors of 20=1,2,4,5,10,20

(G) We can write,

18=1×18

18=2×9

18=3×6

∴ Factors of 18=1,2,3,6,9,18

(H) We can write,

23=1×23

∴ Factors of 23=1,23

(I) We can write,

36=1×36

36=2×18

36=3×12

36=4×9

36=6×6

∴ Factors of 36=1,2,3,4,6,9,12,18,36

2. Write first five multiples of:

(A) 5

(B) 8

(C) 9

**Solution:**

(A) 5×1=5, 5×2=10, 5×3=15, 5×4=20, 5×5=25

∴ First five multiples of 5 are 5,10,15,20,25.

(B) 8×1=8, 8×2=16, 8×3=24, 8×4=32, 8×5=40

∴ First five multiples of 8 are 8,16,24,32,40

(C) 9×1=9, 9×2=18, 9×3=27, 9×4=36, 9×5=45

∴ First five multiples of 9 are 9,18,27,36,45.

3. Match the items in column 1 with the items in column 2:

**Solution:**

(i)→(b), (ii)→(d), (iii)→(a), (iv)→(f), (v)→(e)

4. Find all the multiples of 9 up to 100.

**Solution:**

Multiples of 9 up to 100 are: 9,18,27,36,45,54,63,72,81,90,99.