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0 votes
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in Mathematics by (59.9k points)

The HCF and LCM of 12, 21, 15 respectively are :

(a) 3, 140
(b) 12, 420
(c) 3, 420
(d) 420, 3

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1 Answer

+1 vote
by (62.1k points)

Correct option is (c) 3, 420

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