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Data Sufficiency

Directions to SolveIn each of the following problems, there is one question and three statements I, II and III given below the question. You have to decide whether the data given in the statements is sufficient to answer the question. Read all the statements carefully and find which of the statements is/are sufficient to answer the given question. Choose the correct alternative in each question.
Q1:

Question: In which year was Sanjay born ? Statements:
  1. Sanjay is six years older than Gopal.
  2. Gopal's brother was born in 1982.
  3. Sanjay's brother is two years younger than Gopal's brother who was eight years younger than Gopal.

A Only I and II

B Only II and III

C Only I and III

D All I, II and III

E None of these

ANS:D - All I, II and III

Explanation: From II, we know that Copal's brother was born in 1982. From III, we find that Gopal's brother was 8 years younger to him i.e. Gopal was born in 1974. From I, we find that Sanjay is 6 years older than Gopal. Thus, Sanjay was born in 1968.



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