Problems on Ages - Arithmetic Aptitude Questions and Answers

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What is Sonia's present age?

I. Sonia's present age is five times Deepak's present age.

II. Five years ago her age was twenty-five times Deepak's age at that time.

I alone sufficient while II alone not sufficient to answer

II alone sufficient while I alone not sufficient to answer

Either I or II alone sufficient to answer

Both I and II are not sufficient to answer

Both I and II are necessary to answer

Answer : Option E

Explanation :

I .S = 5D D =\(\frac { S } {5 } \)....(i)

II. S - 5 = 25 (D - 5) S = 25D - 120 ....(ii)

Using (i) in (ii), we get S =\( (25*\frac { s } { 5 } )\)-120

4S = 120.

S = 30.

Thus, I and II both together give the answer. So, correct answer is (E)

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