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Read the given question and state which of the following statements are sufficient to answer the question. Question: Who among P, Q, R and S has the least weight? Statements: 1. Weight of R is less than P. 2. Weight of R is less than Q and S.

Read the given question and state which of the following statements are sufficient to answer the question. Question: Who among P, Q, R and S has the least weight? Statements: 1. Weight of R is less than P. 2. Weight of R is less than Q and S. Correct Answer Both statements 1 and 2 are sufficient.

1. Weight of R is less than P.

⇒ R < P

  • Here, there is no information about the weight of Q and S.
  • Therefore, statement 1 alone is not sufficient.

2. Weight of R is less than Q and S.

⇒ R < Q and S

  • Here, there is no information about the weight of P.
  • Therefore, statement 2 alone is not sufficient.
  • From statements 1 and 2, we get the following cases:
    • Case 1: R < P < Q < S
    • Case 2: R < P < S < Q
    • Case 3: R < Q < P < S
    • Case 4: R < Q < S < P
    • Case 5: R < S < P < Q
    • Case 6: R < S < Q < P
  • Therefore, the least weight is R in all the above 6 cases.
  • So, statements 1 and 2 together are sufficient.

Hence, "option 4" is the correct answer.

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