1.

What will be the ratio of HCF and LCM of 28 and 42?1). 2 : 72). 6 : 13). 1 : 64). 1 : 14

Answer»

28 = 22 × 7

42 = 2 × 3 × 7

LCM of 28 and 42 = 84

HCF of 28 and 42 = 2 × 7 = 14

∴ Ratio of HCF and LCM = 14 : 84 = 1 : 6


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