A) 100 m
B) 60 m
C) 50 m
D) 70 m
Let , length= 5x and width= 3x
As given width is 42 metres
so , 3x=42
x= 42/3 = 14
if x is 14 then length = 5x = 5×14 =70 m
Related MCQs:
- 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?
- A cube has a volume of 8 cubic meters, If each side is doubled in length what will its new volume be in cubic meters?
- 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?
- 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?