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### High School Mathematics - 28.17 Solid Geometry

 Q 1: A factory was asked to use sheet metal to make a conical object of slant height 8 meters with diameter of the base as 12 meters. How much sheet metal is required? Answer: 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 Answer: Q 3: The height of water level in a circular well is 7 meters and its diameter is 10 meters. Calculate the volume of water stored in the well. Answer: 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 Answer: Q 5: 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. Answer: Q 6: When a iron shot-put ball was immersed in a jar it spilled out approximately 1437cc of water. Find out the diameter of the shot-put The water spilled out is equal to volume of shot-put Answer: Q 7: A rectangular water tank measuring 80cmx60cmx60cm is filled from a pipe of cross sectional area of 1.5sq cm, the water emerging at 3.2mts/sec. How long does it take to fill the tank? Answer: Q 8: A roller having 70cms as diameter and length of 1 meter is used to level the playground in your school. If it makes 200 complete revolutions what is the area of playground? Answer: Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!