Question:
Statement:
Black cloud follows thunder; rains follow thunder.
Conclusions:
I. Thunder is the cause of rain.
II. Black cloud is the cause of thunder.
Statement:
Black cloud follows thunder; rains follow thunder.
Conclusions:
I. Thunder is the cause of rain.
II. Black cloud is the cause of thunder.
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When analyzing cause and effect relationships, be careful not to confuse correlation with causation. Just because two events occur together does not mean one causes the other.
Updated On: Mar 20, 2026
- if only conclusion I is strong
- if only conclusion II is strong
- if neither conclusion I nor II is strong
- if both conclusion I and II are strong
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The Correct Option is C
Solution and Explanation
The statement "Black cloud follows thunder; rains follow thunder" gives two observations, but it does not establish causality between thunder, black clouds, and rain. It simply presents a sequence of events. Let's analyze the conclusions:
Conclusion I:
"Thunder is the cause of rain."
- This conclusion is incorrect because while thunder and rain often occur together, thunder is not the cause of rain. Thunder is a sound produced by the rapid expansion of air around a lightning strike, whereas rain is caused by the condensation of water vapor in the atmosphere. Therefore, the cause of rain is not thunder.
Conclusion II:
"Black cloud is the cause of thunder."
- This conclusion is also incorrect. While black clouds are often associated with thunderstorms, they do not cause thunder. Thunder is caused by the electrical discharge (lightning) that occurs within storm clouds. The presence of black clouds is a sign of a storm, but they do not cause thunder.
Since neither conclusion is supported by the statement, the correct answer is (C) – neither conclusion I nor II is strong.
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