Find the HCF of numbers 72 and 124 using Euclid division lemma.

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answer is D.

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Detailed Solution

Given,
The two numbers 72 and 124
Let H be the H.C.F of 72 and 124.
As we know,
Euclid division lemma states that if we have two numbers a and b, then there exist unique integers p and q which satisfies the condition

a = b q + r, 0 ≤ r < b

.
Using Euclid division lemma, we get,

⇒ H = 4

.
Thus, the HCF is 4.
Therefore, option(4) is correct answer.

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