Question

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Find the HCF of the following:
(i) 24 and 36 (ii) 15, 25 and 30
(iii) 8 and 12 (iv) 12, 16 and 28
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Answer 1

i)24 and 36

ans:24=2*2*2*3

      36=2*2*3*3

HCF=2*2*3=12

ii)15,25 and 30

ans:15=3*5

      25=5*5

      30=3*2*5

HCF=5

iii)8 and 12

ans:8=2*2*2

     12=2*2*3

HCF=2*2=4

iv)12,16 and 28

ans:12=2*2*3

      16=2*2*2*2

      28=2*2*7

HCF=2*2=4

HOPE IT WILL HELP U.........