Find a number whose double is 45 greater than its half. – InterviewSolution

1.

Find a number whose double is 45 greater than its half.

Answer»

Let us consider the number as ‘x’

So,

2x – x/2 = 45

(4x-x)/2 = 45

By cross-multiplying we get,

3x = 90

x = 90/3

= 30

∴ The number is 30.

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