Logical Reasoning - Statement and Assumption

In each question below is given a statement followed by two assumptions numbered I and II. You have to consider the statement and the following assumptions and decide which of the assumptions is implicit in the statement.

Give answer

  • (A) If only assumption I is implicit
  • (B) If only assumption II is implicit
  • (C) If either I or II is implicit
  • (D) If neither I nor II is implicit
  • (E) If both I and II are implicit.

1. 

Statement: "To keep myself up-to-date, I always listen to 9.00 p.m. news on radio."- A candidate tells the interview board.

Assumptions:

  1. The candidate does not read newspaper.
  2. Recent news is broadcast only on radio.

A. Only assumption I is implicit
B. Only assumption II is implicit
C. Either I or II is implicit
D. Neither I nor II is implicit
E. Both I and II are implicit

Answer: Option D

Explanation:

The candidate listens to news on the radio does not mean that he does not read newspaper or that radio is the only source of recent news. So, neither I nor II is implicit.

2. 

Statement: The entire north India, including Delhi and the neighbouring states remained 'powerless' the whole day of 19th December as the northern grid supplying electricity to the seven states collapsed yet again.

Assumptions:

  1. The northern grid had collapsed earlier.
  2. The grid system of providing electricity to a group of states is an ineffective type of power supply system.

A. Only assumption I is implicit
B. Only assumption II is implicit
C. Either I or II is implicit
D. Neither I nor II is implicit
E. Both I and II are implicit

Answer: Option A

Explanation:

The statement mentions that the northern grid collapsed 'yet again'. This means that it had collapsed earlier also. So, I is implicit. Also, the statement talks of a particular fault in the system but does not condemn the grid system. So, II is not implicit.

3. 

Statement: Believe me, I have read it in newspaper X.

Assumptions:

  1. Newspaper X gives reliable information/news.
  2. I am reporting exactly as it is given in newspaper X.

A. Only assumption I is implicit
B. Only assumption II is implicit
C. Either I or II is implicit
D. Neither I nor II is implicit
E. Both I and II are implicit

Answer: Option B

Explanation:

The narrator in the statement clearly insists on the reliability of the fact that what he said, he had read it in newspaper X, and not on the truth of what he said. So, only II is implicit

4. 

Statement: Many people have expressed surprise as the princess has broken the royal tradition of marriage by choosing a commoner as her life partner.

Assumptions:

  1. People expect royal families to observe customs and traditions.
  2. People still value 'purity of royal blood' and 'status' when it comes to a marriage of members of royal family.

A. Only assumption I is implicit
B. Only assumption II is implicit
C. Either I or II is implicit
D. Neither I nor II is implicit
E. Both I and II are implicit

Answer: Option E

Explanation:

Since the princess' step has been taken by surprise, it is evident that she was not expected to marry a commoner but a person of equivalent 'status*. So, both I and II are implicit.

5. 

Statement: Highly brilliant and industrious students do not always excel in the written examination.

Assumptions:

  1. The written examination is good mainly for mediocre students.
  2. The brilliant and industrious students cannot always write good answers in the exam

A. Only assumption I is implicit
B. Only assumption II is implicit
C. Either I or II is implicit
D. Neither I nor II is implicit
E. Both I and II are implicit

Answer: Option B

Explanation:

II explains the fact given in the statement and so is implicit. Nothing about 'mediocre students' is mentioned in or can be deduced from the given statement. So, I is not implicit.

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