Question

What was the age of Sonu 10 years ago?
I. Ram is seven years older than Sonu.
II. The ratio of Ram’s present age to Sonu’s is 5:4.
III. The difference between the age of Ram and that of Keshav is 12 years.

Q: Answer-What was the age of Sonu 10 years ago? I. Ram is seven years older than Sonu. II. The ratio of Ram...

Let Sonus present age be x years. Rams present age is x 7 years From II x 7x 54 4 x 28 5 x x 28 Hence, Sonus age 10 years ago 28 10 18 years Thus, From I and From II, we can find the age of Sonu.

The following questions are accompanied by three statements I, II and
III. You have to determine which statement(s) is/are sufficient/necessary to answer the questions.

A Only III

B Only I and II

C Only II

D Only II and III

E All are together are necessary

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