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If H.C.F (420,189) = 21 then L.C.M (420,189) is (A) 420 (B) 1890 (C) 3780 (D) 3680

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If H.C.F (420,189) = 21 then L.C.M (420,189) is

(A) 420

(B) 1890

(C) 3780

(D) 3680

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Best answer

Correct option is (C) 3780

Explanation: Given, H.C.F (420,189) = 21

L.C.M (420,189) = (420 x 189)/21 = 3780

Therefore, L.C.M (420,189) is 3780

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