Three statements are given, followed by three conclusions numbered I, II and III.
Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.
Statements:
Some cubs are trucks.
All trucks are lanterns.
No lanterns are bricks.
Conclusions:
I. Some cubs are lanterns.
II. Some trucks are not bricks.
III. All cubs are trucks.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. Only conclusion I and II follow.

Conclusions:
I. Some cubs are lanterns. - Follows (because Some cubs are trucks and All trucks are lanterns. So, Some cubs are lanterns too)
II. Some trucks are not bricks. - Follows (because All trucks are lanterns and No lanterns are bricks. So, Some trucks are not bricks too)
III. All cubs are trucks. - Does not follow (it is possible, but not definite)