Question

Find the HCF by finding factors:
(a) 4 and 8
(b) 4 and 10
(c) 9 and 12
(d) 10 and 25
(e) 3 and 15
(f) 35 and 49
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Answer 1

Answer:

a) 4= 2×2

8= 2×2×2

HCF= 2× 2 = 4

b) 4= 2×2

10=2×5

HCF = 2

c) 9= 3×3

12=2×3×3

HCF=3×3= 9

d) 10=2×5

25= 5×5

HCF= 5

e) 3=3×1

15=3×5

HCF= 3

f) 35=5×7

49=7×7

HCF=7.

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