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JEE Main Math Class 12 Application of Derivatives Part 1 Questions

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Question : 2

Total: 100

A water tank has the shape of an inverted right circular cone, whose semi-vertical angle is tan‌–1 . Water is poured into it at a constant rate of 5 cubic meter per minute. Then the rate (in m/min.), at which the level of water is rising at the instant when the depth of water in the tank is 10m; is:

[April 09, 2019 (II)]

1/15π
1/10π
2/π
1/5π

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