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1. 30 men took a dip in a water tank 20m long and 15m broad on a religious day.If the aveage water displacement of water by a man is 2m3, then the rise in the water level in the tank will be --
- A. 20 cm
- B. 20 cm
- C. 20 cm
- D. 20 cm
Answer: Option A
Explanation:
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