Data Sufficiency

Quantitative Aptitude (RBI Grade B)

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What is the ratio of the ages of Ram and Ravi?

I. 6 years ago their ages were in the ratio 3 : 4.

II. After 2 years the younger one’s age will be 85% that of the older.

III. The sum of their ages is three less than twice the age of the older.

Only II and III are sufficient

Any two of them is sufficient

Only I and II are sufficient

All are not sufficient

None

Explanation:

From I Ram – 6 / Ravi – 6 =3/4
4Ram – 3Ravi=6
From II Ram +2= 85/100(Ravi+2)
17 Ravi – 20Ram =6
From III Ram + Ravi =2Ravi -3
Solving any two of them we get the ratio.

Hence, option 2 is the correct answer.

By: Amit Kumar

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