Read the given statements and conclusions carefully. Assuming that the information given in the statements 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:
All crabs are ties.
Some ties are hooves.
Some hooves are vents.

Conclusions:
(I): Some vents are crabs.
(II): Some hooves are crabs.

Only conclusion (II) follows.

Both conclusions (I) and (II) follow.

Neither conclusion (I) nor (II) follows.

Only conclusion (I) follows.

APEDIA

RRB NTPC Graduate Tier 1

2025 • 06 Jun, 2025 • Shift-2

Read the given statements and conclusions carefully. Assuming that the information given in the statements 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:
All crabs are ties.
Some ties are hooves.
Some hooves are vents.

Conclusions:
(I): Some vents are crabs.
(II): Some hooves are crabs.

Correct Answer

Neither conclusion (I) nor (II) follows.

Venn Diagram Mapping: Draw the set of 'Crabs' entirely enclosed within the 'Ties' circle. Next, draw the 'Hooves' circle overlapping only a part of 'Ties'. Fina......

💡 Analysis & Explanation

Venn Diagram Mapping ▼

Draw the set of 'Crabs' entirely enclosed within the 'Ties' circle. Next, draw the 'Hooves' circle overlapping only a part of 'Ties'. Finally, draw the 'Vents' circle overlapping a part of 'Hooves'.

Evaluating Conclusion I ▼

Check the relationship between 'Vents' and 'Crabs'. In the standard diagram, their respective circles do not intersect. Thus, 'Some vents are crabs' is not a definite certainty.

Evaluating Conclusion II ▼

Check the relationship between 'Hooves' and 'Crabs'. While 'Hooves' overlaps with 'Ties', it does not necessarily touch 'Crabs'. Therefore, 'Some hooves are crabs' is also logically unproven.

Conclusion ▼

Neither of the proposed conclusions logically follows.

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