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In a mixture of 60 litres, the ratio of milk and water is 2:1. What amount of water must be added to make the ratio 1:2?
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As money is to Bs money as 4:5 and Bs money is to Cs money as 2:3. If A has Rs.800, C has
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Vinay got thrice as many marks in Maths as in English. The proportion of his marks in Maths and History is 4:3. If his total marks in Maths, English and History are 250, what are his marks in English ?
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Gold is 19 times as heavy as water and copper 9 times as heavy as water. The ratio in which these two metals be mixed so that the mixture is 15 times as heavy as water is:
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How many cubes of edges 2dm can be cut out of a meter cube?
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The edge of three cubes of metal is 3dm, 4 dm and 5 dm. They are melted and formed into a single cube. Find the edge of the new cube?
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The slant height of a cone is 12 cm and radius of the base is 4cm, find the curved surface of the cone?
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The ratio between the radii of two spheres is 1:3. Find the ratio between their volumes?
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A man whose speed is 4.5 kmph in water rows to a certain upstream point and back to the starting point in a river which flows at 1.5 kmph, find his average speed for the total journey?
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An equilateral triangular plate is to be cut into n number of identical small equilateral triangular plates. Which of the following can be possible value of n?
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