Read the given statements and conclusions carefully Assuming that the information given in the statement is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.
Statements:
Some pencils are cartoons.
All cartoons are rivers.
All rivers are shadows.
Conclusions:
(I) All pencils are shadows.
(II) All cartoons are shadows.
(III) Some shadows are pencils.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. Both conclusions II and III follow.
The least possible Venn Diagram will be:
Conclusions:
(1) All pencils are shadows. ⇒ False (It is possible but not definite)
(II) All cartoons are shadows. ⇒ True (As all cartoons are rivers and all rivers are shadows)
(III) Some shadows are pencils. ⇒ True (As Some pencils are cartoons, all cartoons are rivers and all rivers are shadows so part of the shadow which is cartoon will also be a pencil.)