Question

The ratio of two number is 6 : 5 and their HCF is 15. So find and their LCM?

A 550 Correct Answer Incorrect Answer
B 750 Correct Answer Incorrect Answer
C 350 Correct Answer Incorrect Answer
D 450 Correct Answer Incorrect Answer

Solution

Let the two numbers be 6x & 5x. So their HCF = x =15, hence their LCM will be = 30x = 30 × 15 = 450.

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