What is the duration of monsoon in India?

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Accepted Answer

Step-by-step explanation:

1. Indian southwest monsoon typically advances over India in June and withdraws by September — covering the core rainy period of about 4 months.
2. Converting months to days: roughly $4\ 	ext{months}\approx 4	imes30=120\ 	ext{days}$. The widely accepted range for monsoon duration is about $100$–$120$ days (allowing for variations in onset/withdrawal).
3. Comparing the given options, (1) 100–120 days matches the standard duration; the other options (40–60, 150–200, 50–80 days) are inconsistent with the observed ~4-month period.

FINAL_ANSWER: a

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