Question

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 wires are cables.

All wires are ropes.

Some ropes are steels.

Conclusions

(1) Some steels are wires.

(2) Some ropes are cables.

• A. Only conclusion (1) follows
• B. Only conclusion (2) follows
• C. Neither conclusion (1) nor (2) follows
• D. Both conclusion (1) and (2) follows

Answer 1

Answer:

B. Only conclusion (2) follows

Using the exam-oriented syllogism convention (where the class mentioned in universal statements is assumed to exist):

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• All wires are cables

• All wires are ropes

• Some ropes are steels

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Conclusion (1): Some steels are wires

Does not follow
There is no definite connection given between steels and wires.

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Conclusion (2): Some ropes are cables

Follows
Since all wires are ropes and all wires are cables, the wires (assumed to exist) are common to both ropes and cables → some ropes are cables.

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Only conclusion (2) follows