1. One side of a rectangular field is 8 m and one of its diagonals is 17 m. Find the area of the field. 

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2. The length of a rectangular plot is 1 1/2 times that of its breadth. If the area of the plot is 300 square metres, then what is its length? 

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3. A rectangular lawn 45m by 30 m has two roars each 3 m has two roads each 3 m wide running in the middle of it, one parallel to length and the other parallel to breadth. The cost of gravelling the roads at 90 paise per square metre is 

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4. A took 30 s to cross a rectangular field waling diagonally at the rate of 40 m/min and B took the same time to cross the same field along its sides walking at the rate of 50 m/min. The area of the field is 

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5. The percentage increase in the area of a rectangle, if each of its sides is increased by 25% is 

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6. 1.5 broad pathway is to be constructed around a rectangle plot on the inside. The area of the plot is 112.5 sq,m. The rate of construction is Rs40 per square metre. Find the total cost of the construction. 

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7. A square field has an area of 756.25 m^{2}. What is the side of the field? 

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8. The number of tiles of size 12.5 cm × 15 cm required to pave the floor of square room of side 3.75 m is 

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9. A man walking at the speed of 3.6 km/h crosses a square field diagonally in 5 min. The area of the fiels is 

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10. The perimeter of a square is 96 cm. The area of a rectangle is 16 cm^{2} less than the area of the square. If the length of the rectangle is 28 cm, then its perimeter is 

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11. If the area of a square increases by 44%, then the side of the square increases by 

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12. What will be the length of the diagonal of that square plot whose area is equal to the area of a rectangle plot of length 64 m and breadth 49 m? 

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13. The diagonal of a square is 5√2 cm. The diagonal of another square whose area is double that of the first square is 

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14. If the diagonal of a square is made 1.2 times, then the ratio of the area of two square is 

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15. What will be the length of the diagonal of a square plot whose area is equal to the area of a rectangular plot of length 90 m and breadth 80 m. 

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16. The area of a circle of radius 7 is numerically what per cent of its circumference? 

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17. A circle and a rectangle have the same perimeter. The sides of the rectangle are 40 cm and 26 cm. What is the area of the circle? 

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18. The difference between the circumference and the radius of a circle is 74 cm. The area of the circle is 

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19. A circular wire of radius 21 cm is bent in the form of a rectangle whose sides are in the ratio 5 : 6. The larger side of the rectangle is 

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20. The number of revolutions of wheel of diameter 70 cm makes in travelling a distance of 990m, is 

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