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Find the HCF of 24, 30 & 36?

This question was previously asked in
Maha TAIT Official Paper (Held On 12 Dec 2017 Shift 2)
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  1. 4
  2. 6
  3. 8
  4. 10

Answer (Detailed Solution Below)

Option 2 : 6
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Detailed Solution

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Given:

The numbers are 24, 30 & 36.

Concept:

HCF is the highest common factor that can be evaluated by prime factorization.

Solution:

24 = 2 x 2 x 2 x 3

30 = 2 x 3 x 5

36 = 2 x 2 x 3 x 3

The common factor is 2 x 3 = 6

Hence, option 2 is correct.

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