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A room measures 22 dm by 16 dm. I wish to buy a carpet for the floor leaving an uncarpeted margin 2 dm wide along each of the shorter sides of the room and a margin 0.5 dm wide along each of the longer sides of the room. If the price of the carpet is ₹500 per sq. metre, what is the cost of the whole carpet required?

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Important Questions on Mensuration

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A paper is in a form of a rectangle ABCD where AB=22 cm and BC= 14 cm. A semi-circular portion with segment BC as a diameter is cut off. Find the area of remaining paper.
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How many plants can be put in a circular flower bed whose circumference is 880 dm allowing 35 dm squared for each plant?
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An athletic track 14m wide consists of two straight sections 120m long joining semicircular ends whose inner radius is 35m. Calculate the area of the track.
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A square park has each side of 100 m. At each corner of the park, there is a flower bed in the form of a quadrant of a radius 14 m. Then the area of the remaining part of the park is:
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The length of the minute hand of a clock is 14 cm. Find the area swept by the minute hand in one minute.
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Find the area of the ring between two concentric circles whose circumferences are 77cm and 55cm.
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A rectangular reservoir is 10.8 metres long and 3.75 metres wide at base. Water flows into it at the rate of 18 m per sec through the pipe having a cross section 7.5cm x 4.5cm. Then the height to which the water will rise in the reservoir in 30 minutes is:
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A rectangular sheet of 44 cm×18 cm is rolled along its length and a cylinder is formed. Then the volume of the cylinder is: