Exams › SSC CGL (Prelims) › General

Instruction: Identify the assumptions that must hold for the statement to be valid, then choose the correct option. Statement: The Himalayas act as a natural barrier that prevents the monsoon winds from reaching the northern plains, thereby creating a dry region in the rain shadow area. Assumptions: I. The Himalayas prevent monsoon winds from reaching certain areas. II. The rain shadow effect leads to dry conditions in specific regions. III. Monsoon winds are the sole cause of rainfall in the northern plains.

1. Only I and II are implicit
2. Only II and III are implicit
3. Only I is implicit
4. All assumptions are implicit

Correct answer: Only I and II are implicit

Solution

Assumption I is needed because the statement says the Himalayas block monsoon winds. Assumption II is also needed because the statement refers to a dry rain-shadow area. Assumption III is not required, since the statement does not claim monsoon winds are the only source of rainfall in the northern plains.

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