Basic LR Sets

Read the following statements and answer the four items that follow:

Five cities P, Q, R, S and T are connected by different modes of transport as follows:

  • P and R are connected by boat only
  • S and R are connected by bus and boat
  • P and Q are connected by boat as well as rail
  • Q and T are connected by air only
  • T and R are connected by rail and bus

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

  1. Rail
  2. Boat
  3. Air
  4. Bus

2. If a person visits each of the places starting from P and gets back to P, which of the following places must he visit twice?

  1. R
  2. S
  3. Q
  4. T

3. Which of the following pairs of cities is connected by any of the routes directly without going to any other city?

  1. Q and R
  2. P and T
  3. T and S
  4. None of these

4. Between which two cities among the pairs of cities given below are there maximum travel options available?

  1. Q and S
  2. P and R
  3. Q and R
  4. P and T

Answer

Different modes of connection between cities:

P--boat--Q
P--rail--Q
S--bus--R
S--boat--R
Q--air--T
P--boat--R
T--rail--R
T--bus--R

  1. B
  2. A
  3. D
  4. A