The division of population into two or more layers, each of which is relatively homogeneous and between which there are differences in opportunities, restrictions, rewards and obligations is Social stratification.
The speed of a car is 40% less than the speed of a bike. The time taken by a bus to cover (d-100) km distance in 9 hours. The sum of the speed...
When the Ratio of speeds of Aman and vinod is given as 9 : 7 respectively. If Aman gives vinod a start of 60 metres then how far must be the winning Lin...
A motorbike travelled for the first 180 km at a certain speed in 4 hours. After that, the speed of the motorbike decreased by 5 km/h. If the motorbike t...
A train traveling at a speed of 72 km/h takes 15 seconds to cross a pole. If the same train crosses a platform in 40 seconds, find the length of the pla...
A boy goes to his school at 1/6th of the speed at which he returns from his school. Average speed during the whole trip (i.e. one round) is 24 km/h. Wha...
‘A’ and ‘B’ started moving towards each other at same time with a speed of 12 km/hr and 16 km/hr, respectively. If the distance covered by ‘B ...
Two cars A and B travel from one city to another, at speeds of 72 km/hr and 90 km/hr respectively. If car B takes 1 hour lesser than car A for the jour...
‘G’ and ‘H’ started moving towards each other at the same time with a speed of 40 km/hr and 30 km/hr, respectively. If the distance covered by â...
Two cars X and Y start from two places A and B respectively which are 700 km apart at 9 a.m. Both the cars run at an average speed of 60 km/hr towards e...
A train of length 150 meters is running at a speed of 54 km/hr. Find the time taken by the train to cross a platform of length 200 meters.
