Given below are three statements and three conclusions. Take the statements to be true even if they are at variance with commonly known facts, and decide whether the conclusion/s follow/s the given statements.

Statements:

I. All pen drives are hard drives.

II. Some hard drives are chips.

III. All chips are keyboards.

Conclusions:

I. Some keyboards are pen drives.

II. Some chips are pen drives.

III. Some keyboards are hard drives.

Question

Question

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RRB Group D 26 Aug 2022 Shift 3 Official Paper

Answer 1

Given:

Statements:

I. All pen drives are hard drives.

II. Some hard drives are chips.

III. All chips are keyboards.

Concept used:

These statements can be expressed as:

2023 02 10 13 48 52 Greenshot

Solution:

Conclusions:

I. Some keyboards are pen drives.: False- No part of keyboards is contained in pen drives.

II. Some chips are pen drives. False:- No part of chips are contained in pen drives.

III. Some keyboards are hard drives. True- Some portion is contained in hard drives.

Thus the correct answer is 'Only conclusion III follows' .