Question

(c) 21
EXERCISE 3.1
1. Write all the factors of the following numbers:
(b) 15
(d 27 (e) 12
(e) 12 (D) 20
9) 18 () 23
(1) 36
2. Write first five multiples of:
(2) 5 6 8 (c) 9
3. Match the items in column 1 with the items in column 2
Column 1
Column 2
1 35
(a) Multiple of 8
@ 15
(b) Multiple of 7
16
(c) Multiple of 70
(iv) 20
(d) Factor of 30​

Answer 1

Answer:

1. (b)..5×3

(d) 3×3×3

(e)..2×2×3

(d)..2×2×5

(9).. 2×3×3

(1)..2×2×3×3