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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:
(a)
(b)
(c)
(d)

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Important Questions on Practice Set
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An article is marked at . The shopkeeper allows successive discounts of , , on it. The net selling price is

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The ratio of number of balls in bags is . Five balls are taken from bag and are dropped In bag . 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 gives a remainder . When the same number is divided by , then the remainder will be:

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can do a piece of work in days. is more efficient than . How long would alone take to finish the work ?

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If the total surface area of a hemisphere is . Then the radius of the base of the hemisphere is:

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A certain sum of money will be doubled in 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 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 . If radius of one circle is , then the radius of the other circle is:
