Question

Each question below is followed by two statements I and
II. You have to decide whether the data given in the statements are sufficient to answer the question. What is the present age of Rahul?
I. Rahul is 4 years older than twice the present age of his sister. The sum of their present ages is 34 years.
II. Four years ago, the ratio of Rahul’s age to his sister’s age was 9 : 5.

Q: Answer-Each question below is followed by two statements I and II. You have to decide whether the data give...

ATQ, From I Let Rahuls age R, sisters age S. R 2S 4 R S 34 Substitute R 2S 4 S 34 3S 30 S 10, R 24 Unique value for R I alone is sufficient. From II R 4 S 4 9 5 R 4S 4 95 5R 20 9S 36 5R 9S 16 Only one equation in two unknowns infinitely many positive solutions. II alone is not sufficient.

A If the data in statement I alone are sufficient to answer the question, while the data in statement II alone are not sufficient.

B If the data in statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient.

C If the data either in statement I alone or in statement II alone are sufficient to answer the question.

D If the data in both statements I and II together are necessary to answer the question, but neither statement alone is sufficient.

E If the data in both statements I and II together are not sufficient to answer the question.

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