alleryNo outflow: water rises 2 cm/min in a radius-7 cm cylinder. Inflow, π=22/7?
A308 cm³/min
B154 cm³/min
C77 cm³/min
D616 cm³/min
Answer & Solution
Correct answer: A. 308 cm³/min
Each minute adds πr² × 2 = 308 cm³ of water.
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