Question 18

In the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements.

Statements:

I. Some pencils are pens.
II. All pens are erasers.

Conclusions:

I. Some pens are not pencils.
II. Some erasers are not pencils.

Solution

The venn diagram for the statements some pencils are pens and all pens are erasers is :

Some pens are not Pencils can be possible but cannot be concluded always. Similarly, Some Erasers are not Pencils cannot be concluded.

Thus, neither conclusion (I) nor conclusion (II) follows.

=> Ans - (C)

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