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1. 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. What is the length of the rectangle?
18 cm | 16 cm | 40 cm | 20 cm |
2. The ratio between the length and the breadth of a rectangular park is 3 : 2. If a man cycling along the boundary of the park at the speed of 12 km/hr completes one round in 8 minutes, then the area of the park (in sq. m) is:
15360 | 153600 | 30720 | 307200 |
3. The length of a rectangle is halved, while its breadth is tripled. What is the percentage change in area?
25% increase | 50% increase | 50% decrease | 75% decrease |
4. The diagonal of the floor of a rectangular closet is 7$ \dfrac{1}{2} $ feet. The shorter side of the closet is 4$ \dfrac{1}{2} $ feet. What is the area of the closet in square feet?
5 $ \frac{1}{4} $ | 13 $ \frac{1}{2} $ | 27 | 37 |
5. The length of a rectangular plot is 20 metres more than its breadth. If the cost of fencing the plot @ 26.50 per metre is Rs. 5300, what is the length of the plot in metres?
40 | 50 | None of these | Data inadequate |
6. A rectangular park 60 m long and 40 m wide has two concrete crossroads running in the middle of the park and rest of the park has been used as a lawn. If the area of the lawn is 2109 sq. m, then what is the width of the road?
2.91 m | 3 m | 5.82 m | None of these |
7. What is the least number of squares tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad?
814 | 820 | 840 | 844 |
8. The area of a rectangle plot is 460 square metres. If the length is 15% more than the breadth, what is the breadth of the plot?
14 metres | 20 metres | 18 metres | 12 metres |
9. The percentage increase in the area of a rectangle, if each of its sides is increased by 20% is:
40% | 42% | 44% | 46% |
10. The difference between the length and breadth of a rectangle is 23 m. If its perimeter is 206 m, then its area is:
1520 m^{2} | 2420 m^{2} | 2480 m^{2} | 2520 m^{2} |
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