Question 99

The ratio of two numbers is 5 : 6 and their LCM is 150. Find the sum of the two numbers.

Solution

The ratio of two numbers is 5 : 6, so the nos be 5x and 6x

LCM of 5x and 6x = 30x

$$30x = 150$$

$$x=5$$

So the sum wil be$$ 5\times 5 + 6\times 5 = 55$$

Option D is correct

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