1. The sides of a rectangle are in the ratio 4:3 and its area is 972sq.m find the perimeter of rectangle |
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2. Find the cost of carpenting a room 13m long and 9m broad with a carpet 75cm broad at the rate of Rs.20 per metre |
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3. The length of a rectangle is twice its breadth. If its length is decreased by 5 cm and breadth is increased by 5 cm, the area of the rectangle is increased by 75 sq. cm. Find the length of the rectangle. |
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4. If each side of a square is increased by 25%, find the percentage change in its area. |
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5. A man walking at the rate of 6km per hour crosses a square field diagonally in 9 seconds the area of the field is |
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6. A lawn is in the form of a rectangle having its sides in the ratio 3: 4. The area of the lawn is (1/4) hectares. Find the length and breadth of the lawn. |
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7. Find the cost of carpeting a room 13 m long and 9 m broad with a carpet 75 cm wide at the rate of Rs.12 per square metre. |
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8. A rectangular grassy plot 100 m. by 70 m has a gravel path 2.5 m wide all round it on the inside. Find the cost of gravelling the path at 90 paise per sq. metre. |
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9. The perimeters of two squares are 80 cm and 64 cm. Find the perimeter of a third square whose area is equal to the difference of the areas of the two squares. |
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10. A room 11 m 47 cm long and 7m 77 cm broad is to be paved with square tiles. Find the least number of square tiles required to cover the floor. |
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