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The HCF of 24 and 144 is '10p + 4', then the value of 'p' is:
Question

The HCF of 24 and 144 is '10p + 4', then the value of 'p' is:

A.

1

B.

4

C.

2

D.

3

Correct option is C

Given:

The HCF of 24 and 144 is given as 10p + 4.

Solution:

24 = 23×3\times 3 

144 = 24 ×\times 32

HCF of 24 and 144 =23×3\times 3 = 24.

10p + 4 = 24

10p = 24 - 4 = 20

p =2010=2= \frac{20}{10} = 2

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