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Data Interpretation Question on Statements and Inferences

Two trains are travelling on two adjacent tracks. What would be their respective speeds?
Statement 1: The relative speed when the trains are travelling in the same direction is 30 kmph
Statement 2: The relative speed when the trains are travelling in the opposite direction is 90 kmph
Directions: This question has a problem and two statements numbered (1) and (2) giving certain information. You have to decide if the information given in the statements is sufficient for answering the problem. Indicate your answer :

A

statement (1) alone is sufficient to answer the question

B

statement (2) alone is sufficient to answer the question

C

both the statements together are needed to answer the question

D

either statement (1) alone or statement (2) alone is sufficient to answer the question

E

neither statement (1) nor statement (2) suffices to answer the question

Answer

both the statements together are needed to answer the question

Explanation

Solution

The correct answer is option (C): both the statements together are needed to answer the question