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High School Mathematics - 2
8.17 Solid Geometry
: 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?
: 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?
: 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
: 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.
: 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?
: A mansion has 12 cylindrical pillars 0f 3.5 meters height and of circumference of 50cms. Find the cost of painting the lateral surface of the pillars at Rs 25 per Sq.meter.
: 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
: 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.
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