EXAMIANS
An error 2% in excess is made while measuring the side of a square. The percentage of error in the calculated area of the square is:
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The perimeter of a rectangle having area equal to 144 cm 2 and sides in the ratio 4 : 9 is
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If the diagonals of a rhombus are 4.8 cm 1.4 cm, then what is the perimeter of the rhombus?
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A circular road runs rounds a circular ground. If the difference between the circumference of the outer circle and the inner circle is 66 meters, the width of the road is?
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The radius of a circular field is 25 m. Find the area of the field.
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If the radius of a circle be reduced by 50%. Its area is reduced by?
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If the area of a semi-circle be 77 sq m, find its perimeter.
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The wheel of an engine turns 350 times round its axle to cover a distance of 1.76 km. The diameter of the wheel is
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A tank is 25 m long, 12 m wide and 6 m deep. The cost of plastering its walls and bottom at 75 paise per sq. m, is:
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The ratio of the area of two square, one having and double its diagonal than the other is?
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