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Find the highest common factor of 36 and 84

This question belongs to Arithmetic Ability Problems On H.C.F And L.C.M
Problems on H.C.F and L.C.M
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Find the highest common factor of 36 and 84

Answer & Solution
Correct Answer: Option C
36 = 22 × 32
84 = 22 × 3 x 7
∴ H.C.F. = 22 × 3 = 12
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