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A rectangular examination hall having seats for 500 candidates has to be built so as to allow 4 cubic metres of air and 0.5 square metres of floor area per candidate. If the length of hall be 25 m, find the height and breadth of the
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The ratio between the curved surface area and the total surface area of a right circular cylinder is 1:2. Find the ratio between the height and radius of the
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A birthday cake has two tiers as shown in the figure below. Find the volume of the cake.
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Water flows from a tank with a rectangular base measuring 80 cm by 70 cm into another tank with a square base of side 60 cm. If the water in the first tank is 45 cm deep, how deep will it be in the second
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A rectangular sheet of paper is rolled in two different ways to form two different cylinders. Find the volume of cylinders in each case if the sheet measures 44 cm × 33
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Every point on the x axis is of the
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The given graph shows Nisha’s trip to a mall by a car. Observe the graph carefully and find what was she doing between 5 pm and 7
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In a __________ graph, all the points on the graph lie on the same straight
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The coordinates of the origin are
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Points (3, 4) and (4, 3) represent the same point on the
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The y coordinate of any point lying on the x axis will be
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Plot the points (4, 4), (1, 3), (4, 2) and (7, 3) on a graph paper and connect them with line segments. Name the shape formed by these
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Write the coordinates of all the points in the given
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The following is a conversion graph of temperature in °Cand °F.Use the graph to answer the following questions.(a) Convert 140 °F to °C.(b) Convert 20 °C to
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Following graph shows a comparison of the approximate sale of items manufactured by a company for the first two years of its operation. (i) In which months there was maximum difference inthe sale of items of two
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Following graph shows a comparison of the approximate sale of items manufactured by a company for the first two years of its operation. In which year was there more stability in the sale ofitems?(iii) In which month the sale remains the same in both the
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