B) 40 metres
C) 60 metres
D) 100 metres
- The length and breadth of a rectangle are in the ratio 3 : 1. If the breadth is 1 cm, than the length of the rectangle is?
- The width of a rectangle is twice the size of its length The length is increased by 30% and width is increased by 20%, what will be the percentage change in the area of rectangle?
- Two trains are running in opposite direction with a speed of 62 km/hour and 40 km/hour respectively. If the length of one train is 250 meters and they cross each other in 18 seconds then what is the length of the other train?
- The length and breadth of a rectangle are in the ratio 3 : 1. If the breadth is 1 cm then the length of the rectangle is?