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A cylindrical popcorn tub of radius is being filled with popcorns at the rate of per minute. The…
A cylindrical popcorn tub of radius $10\text{ cm}$ is being filled with popcorns at the rate of $314\text{ cm}^3$ per minute. The level of the popcorns in the tub is increasing at the rate of:
- (a)$1\text{ cm/minute}$
- (b)$0\cdot 1\text{ cm/minute}$
- (c)$1\cdot 1\text{ cm/minute}$
- (d)$0\cdot 5\text{ cm/minute}$
Answer
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From ISC 2025 Mathematics Paper 1, question 1(vii).