Each of these questions consists of a question followed by information in three statements I, II and III. You have to study the question and the statements and decide that the information in which of the statements(s) is/are required to answer the question.
Conclusions:
I. Some Chalks are not Pencils
II. Some Chalks are not Pens

Options

A. (a) All Markers are Chalks. Only a few Chalks are Pens. Only a few Pens are Pencils.
B. (b) All Markers are Chalks. Only a few Chalks are Pens. Some Pens are not Pencils
C. (c) All Markers are Chalks. All Chalks are Pens. No Pens are Pencils
D. (d) All Markers are Chalks. Only a few Chalks are Pens. No Pens are Pencils

Answer

D

Explanation

All Markers are Chalks. Only a few Chalks are Pens. No Pens are Pencils.

Conclusions:
I. Some Chalks are not Pencils – It is true as some Chalks are Pens and no Pens are Pencils.
II. Some Chalks are not Pens – It is true as only a few Chalks are Pens that means some Chalks are not Pens.
Hence, ‘All Markers are Chalks. Only a few Chalks are Pens. No Pens are Pencils.’ statement logically follows.