If 45 is added to half a number, the result is triple the number. Find – InterviewSolution

InterviewSolution

1.

If 45 is added to half a number, the result is triple the number. Find the number.

Answer»

Let the number be x.

So, half of the number = x/2

On adding 45 to it, we get x/2 + 45

x/2 + 45 = 3x

3x - x/2 = 45

(6x - x)/2 = 45

5x = 45 x 2 = 90

x = 90/5 = 18

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