Question

EXERCISE 3.4
| Find the common factors of:
(a) 20 and 28
(b) 15 and 25 (c) 35 and 50 (d) 56 and 120
2. Find the common factors of:
(a) 4.8 and 12 (b) 5,15 and 25
3. Find first three common multiples of:
(a) 6 and 8
(b) 12 and 18
4. Write all the numbers less than 100 which are common multiples of 3 and 4.​

Answer 1

Answer:

common factor is 4

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Answer 2

Step-by-step explanation:

a,20-1,2,4,5,10,20

b,28-1,2,3,4,6,7,14,20