Logical Connectivity Moderate Questions and Answers

Logical Connectivity

Direction: In each of the following sentences, the main statement is followed by four sentences each. Select a pair of sentences that relate logically to the given statement.

Either Sam is ill, or he is drunk.
A. Sam is ill.
B. Sam is not ill.
C. Sam is drunk.
D. Sam is not drunk.

Sam is not drunk, so he must be ill.

Correct Option: B

Sam is not drunk, so he must be ill.

Whenever Ram hears of a tragedy, he loses sleep.
A. Ram heard of a tragedy.
B. Ram did not hear of a tragedy.
C. Ram lost sleep.
D. Ram did not lose sleep.

As Ram did not lose sleep, means he did not hear of the tragedy.

Correct Option: C

As Ram did not lose sleep, means he did not hear of the tragedy.

Either the train is late, or it has derailed.
A. The train is late.
B. The train is not late.
C.The train is derailed.
D. The train is not derailed.

The train is not late, so it must have derailed.

Correct Option: D

The train is not late, so it must have derailed.

When I read a horror story I have a nightmare.
A. I read a story.
B. I did not read a horror story.
C. I did not have a nightmare.
D. I had a nightmare.

I did not have a nightmare, so I must not have read a horror story.

Correct Option: A

I did not have a nightmare, so I must not have read a horror story.

When I eat berries I get rashes.
A. I ate berries.
B. I did not get rashes.
C. I did not eat berries.
D. I got rashes.

I did not get rashes which means I did not eat berries.

Correct Option: B

I did not get rashes which means I did not eat berries.