Civil Services Prep

Prelims 2022 · CSAT / Logical Reasoning · Question 37

Consider the Question and two Statements given below in respect of three cities P, Q and R in a State: Question: How far is city P from city Q? Statement-1: City Q is 18 km from city R. Statement-2: City P is 43 km from city R. Which one of the following is correct in respect of the Question and the Statements?

  1. Statement-1 alone is sufficient to answer the Question
  2. Statement-2 alone is sufficient to answer the Question
  3. Both Statement-1 and Statement-2 are sufficient to answer the Question
  4. Both Statement-1 and Statement-2 are not sufficient to answer the Question

Answer

Both Statement-1 and Statement-2 are not sufficient to answer the Question

  • Statement-1 alone: Q is 18 km from R. This gives only the distance QR, not PQ. Verdict: Not sufficient.
  • Statement-2 alone: P is 43 km from R. This gives only the distance PR, not PQ. Verdict: Not sufficient.
  • Both statements together: We know PR = 43 km and QR = 18 km, but without the relative positions of P, Q, and R, PQ can vary (for example, 25 km if on the same side, 61 km if on opposite sides). Verdict: Still not sufficient.

Correct answer: (d) Both Statement-1 and Statement-2 are not sufficient to answer the Question.

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