Q 1: A metal pipe has a bore (inner diameter) of 5cm. The pipe is 5mm thick throughout. Find the weight (in kg) of 2 meters of the pipe if 1 cubic cm of metal weighs 7.7gm.
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Q 2: A Paint manufacturer sells paints in 1 litre cylindrical tins of diameter 14cm. How many such tins can he store one above the other in a store room of height 3.245 meters
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Q 3: When a iron shotput ball was immersed in a jar it spilled out approximately 1437cc of water. Find out the diameter of the shotput
The water spilled out is equal to volume of shotput
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Q 4: A conical tent was is put up for a show supported by a pole of height 28 meters at the center. The diameter of the base is 42 meters. Find the cost of the canvas used at the rate of Rs.20/ per sq mts
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