Amit and Berry, who are separated by a distance 90 m, are approaching towards each other. The initial speed of Amit is 5 m/s and that of Berry is 10 m/s. If Amit increases his speed by 5 m/s every second, when will they meet each other?

A can complete a job in 16 days. He started the work and after 4 days B joined him .They completed the job in 4 more days. Find the number of days in which B alone can complete it.

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 train travelling at a certain speed can cross a person standing on the platform in 10 seconds, while it takes 2 seconds more for the same if it travels slower by 18 km/hr. Find the length of the train.

Find the time taken by a train 110 meter long moving at 18 m/s to cross another train, 70 meter long, standing on parallel tracks?

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.

Pipe A can fill a cistern in 15 hours, pipe B can fill it in 20 hours and pipe C can empty it in 25 hours. If all the pipes are opened simultaneously, in how many hours the tank will get completely filled?

A starts running at a speed of 10 km/hr from point X towards Y. At the same time B starts running at a speed of 8 km/hr from point Y towards X. If the distance between X and Y is 350 meters then after how much time will they meet?

A can do a piece of work in 12 days. He work at it for 3 days and then B finishes the remaining work in 18 days. In what time A and B together can complete the work.

Two persons standing 1200 meter away from each other starts walking towards each other at a speed of 5 km/hr and 10 km/hr respectively, find the time after which they will meet if both start simultaneously.