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The radius of a circle is equal to a side of a square. The ratios of the areas of the circle and the square is:

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Important Questions on Practice Set

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An article is marked at 5,000. The shopkeeper allows successive discounts of x%y%z% on it. The net selling price is
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The ratio of number of balls in bags x, y is 2:3. Five balls are taken from bag y and are dropped In bag x. Number of balls are equal in each bag now. Number of balls in each bag now is:
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A positive integer when divided by 425 gives a remainder 45. When the same number is divided by 17, then the remainder will be:
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A can do a piece of work in 6 days. B is 25% more efficient than A. How long would B alone take to finish the work ?
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If the total surface area of a hemisphere is 27π cm2. Then the radius of the base of the hemisphere is:
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A certain sum of money will be doubled in 15 years at the rate of simple interest percent per annum of
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At an instant, the length of shadow of a pole is 3 times the height of the pole. The angle of elevation of the sun at that moment is:
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Two circles touch each other externally. The distance between their centres is 7 cm. If radius of one circle is 4 cm, then the radius of the other circle is: