The circumferences of two circle are 132 metres and 176 metres respectively. What is the difference between the area of the larger circle and the smaller circle ?
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The ratio of the radii of two circles is 1 : 3. Then the ratio of their areas is :
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The circumference of a circular ground is 88 metres. A strip of land, 3 metres wide, inside and along the circumference of the ground is to be levelled. What is the budgeted expenditure if the levelling costs Rs. 7 per square metre ?
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If the circumference of a circle is 100 units, then what will be the length of the arc described by an angle of 20 degrees ?
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If in a triangle, the area is numerically equal to the perimeter, then the radius of the inscribed circle of the triangle is :
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Two equal circle are drawn in square in such a way that a side of the square forms diameter of each circle. If the remaining area of the square is 42 cm2, how much will the diameter of the circle measure ?
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The base of triangle is 15 cm and height is 12 cm the height of another triangle of double the area having base 20 cm is :
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The difference between the length and breadth of a rectangle is 23 m. If its perimeter is 206 m, then its area is :
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The length of a rectangle is three times of its width. If the length of the diagonal is cm, then the perimeter of the rectangle is :
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A typist uses a paper 30 cm by 15 cm. He leaves a margin of 2.5 cm at the top and bottom and 1.25 cm on either side. What percentage of paper area is approximately available for typing ?
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The adjoining figure contains three squares with areas of 100, 16 and 49 lying side by side as shown. By how much should the area of the middle square be reduced in order that the total length PQ of the resulting three squares is 19 ?
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The three sides of a triangular field are 20 metres, 21 metres and 29 metres long respectively. The area of the field is :
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The diagonal of a square is cm. The diagonal of another square whose area is double that of the first square, is :
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What will be the area of 4 metres high wall on all four sides of a rectangular hall having perimeter 64 m ?
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The altitude of an equilateral triangle of side cm is :
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One of the diagonals of a rhombus is double the other diagonal. Its area is 25 sq. cm. The sum of the diagonal is ?
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Cost of fencing a circular plot at the rate of Rs. 15 per metre is Rs. 3300. What will be the cost of flooring the plot at the rate of Rs. 100 per square metre ?
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The ratio of the circumferences of two circles is 2 : 3. What is the ratio of their areas ?
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A circular road runs around a circular garden. If the difference between the circumference of the outer circle and the inner circle is 44 m, the width of the road is :
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The area of the greatest circle which can be inscribed in a square whose perimeter is 120 cm, is :
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