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Multiple Choice Questions

The difference between the present age of Arun and Deepak is 14 years Seven years ago the ratio of t...........

Quantitative Aptitude(IBPS RRB PO) Average

The difference between the present age of Arun and Deepak is 14 years. Seven years ago the ratio of their ages was 5:7 respectively. What is Deepak's present age?

49 years

42 years

63 years

56 years

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Explanation:

Seven years ago, let Arun’s and Deepak’s age be 5x and 7x years respectively.
∴ Arun’s present age = (5x + 7) Years
Deepak’s present age = (7x + 7) Years
According the question,
7x + 7 – 5x – 7 = 14
= 2x = 14
x = 14/2 = 7
∴ Deepak’s present age = 7x + 7
= 7 × 7 + 7 = 56 years

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