Passage

Five cities P, Q, R, S, and T are connected by different modes of transport as follows:
  1. P and Q are connected by boat as well as rail.
  2. S and R are connected by bus and boat.
  3. Q and T are connected by air only.
  4. P and R are connected by boat only.
  5. T and R are connected by rail and bus.
QUESTION

CSAT

Easy

Reasoning

Prelims 2013

Which mode of transport would help one to reach R starting from Q, but without changing the mode of transport?

Select an option to attempt

Explanation

P and Q are connected by boat and rail. S and R are connected by bus and boat. Q and T are connected by air only. P and R are connected by boat only. T and R are connected by rail and bus.

Now, starting from Q: Q to T is by air only (so we cannot continue by air to R). Q to P is by boat or rail. From P, P to R is by boat only. Hence, starting from Q, we would need to travel via boat to reach P, and from P, we can travel by boat to R.

Thus, the mode of transport would be Boat.

The correct answer is A. Boat.

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