Multiple choice

Find the H.C.F of 20, 24 and 30.

  1. 2

  2. 4

  3. 6

  4. 10
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

20 = 22 x 5 24 = 23 x 3 30 = 2 x 3 x 5 HCF = 2

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