JEE Main 10 Apr 2019 Paper 2 Solved Paper
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A spherical iron ball of radius 10cm is coated with a layer of ice of uniform thickness that melts a rate of 50cm3 /min When the thickness of the ice 5cm, then the rate at which the thickness (in cm/min) of the ice decreases, is:
[10 Apr 2019 Shift 2]
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