Find a number which when multiplied by 7 and then reduced by 3 is equa – InterviewSolution

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1.

Find a number which when multiplied by 7 and then reduced by 3 is equal to 53.

Answer»

Let the number be x

Multiplied by 7

⇒ 7x Then reduced by 3

⇒ 7x – 3

By problem, 7x – 3 = 53

7x = 53 + 3 (transposing – 3)

7x = 56

x = 56/7 (transposing x 7)

x = 8 .

∴ The required number = 8

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