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The rain water from a flat rectangular roof. 5 metres by 6 metres, drains into a tank 1m deep and of base 1.2 m. What amount of rainfall will fill the tank
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RRB Other Question
Two cylindrical buckets have their diameters in the ratio 3:1 and their heights areas 1: 3. Find the ratio of their volumes
A cylindrical rod of iron, whose height is equal to its radius, is melted and cast intospherical balls whose radius is half the radius of the rod. Find the number of balls