Gaurav drives at 30 km/hr while going from point A to B and he return from B to point A at a speed of 20 km/hr. Find his average speed in entire journey.
A boy walks from his house at 5 km/hr and reaches bus stop 5 minutes late. If he walks at 6 km/hr he will reach the bus stop 10 minutes early. Find the distance between his house and the bus stop.
Due to excessive traffic, the average speed of a man got reduced to of his usual speed and reached his destination 33 minutes late. Find the extra travelling time he had travelled due to the traffic.
Amit is 1.5 times as fast as Bunny; Bunny is twice as fast as Curran, and Curran is times as fast as Darren. If Darren covers a certain distance in 2 hours. Find the extra time taken by Curran as compared to Amit if they both travel the same distance.
A and B can do a work in 6 days; B and C can do the same work in 8 days and A and C can do the same work in 10 days. Find the time taken by B to complete the work alone.
Aman can complete a piece of work in (x) days. Aman and Ankit can complete the same work in (y) days. Find the time taken by Ankit alone to complete the work ?
Amit can build a wall in 12 days. Anit can build the same wall in 16 days. Find the time taken by both Amit and Anit to build a wall which is half the length of the original wall.
A is thrice as efficient as B and therefore is able to finish a piece of work in 15 days. Find the time taken by B to complete the work.
A dog saw a cat who was 60 meter away. The dog started chasing the cat at 7 m/s; seeing which cat started running away at 5 m/s. Find the time after which the dog catches the cat.
A train travelling 75 km at ‘a’ km/hr, arrives at its destination 1 hour late. What should have been the speed (in km/hr)for it to arrive on time?
