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Multiple Choice Questions

The respective ratio between the present age of Mary and Deepa is x 42 Mary is 8 years younger than ...........

Quantitative Aptitude and Numerical Ability (DRDO) (Phase-i and II) Problems based on Ages

The respective ratio between the present age of Mary and Deepa is x : 42. Mary is 8 years younger than Prema. Prema’s age after 8 years will be 33 years. The difference between Deepa’s and Mary’s age is same as the present age of Prema. What is the value of x?

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Explanation:

Prema’s age after 8 years = 33 years
Prema’s present age = 33 – 8= 25 years
Mary’s present age = 25 – 8 = 17 years
Deepa’s present age = 17 + 25 = 42 years
Ratio between Mary and Deepa = 17 : 42
X = 17

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