Time and Speed - Train and Boat

Jashim and Imran start walking from A to B at 5 and 3 km per hour respectively. Jashim reaches B and starts back for A. How far from B will he meet Imran if the distance between A and B is 32 km?

A speed of 14 meters per second is the same as -

A motorist must complete 180-mile trip is 4 hours. If he averages 50 miles an hour for the first three hours of the trip, how fast must (in terms of mile per hour) he travel in the last hour?

A train, 150 meter long and running at a speed of 60 km per hour, takes 30 seconds to cross a bridge. What is the length (in meter) of the bridge?

A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?

A person travels a certain distance at 3 km/hr and reaches 15 min late. If he travels at 4 km/hr, he reaches 15 min earlier. The distance he has to travel is 

A train traveled p miles in 40 minutes and completed the remaining 200 miles of the trip in q minutes. What was its average speed in miles per hour for the entire trip?

A man walking at the rate of 5 km/hr crosses a bridge in 15 minutes. The length of the bridge (in meters) is-

A train 240 m long passed a pole in 24 sec. How long will it take to pass the 650 m long platform?

Quantity A =Time to travel 95 miles at 50 miles per hour; and Quantity B = Time to travel 125 miles at 60 miles per hour.

Two trains P and Q are moving in opposite direction at a rate of 36km/hr and 45km/hr respectively. A passenger is sitting in train P, finds that his train passes train Q in 8 seconds. What is the length of train Q?

A bike traveled twice a many kms from X to Y as it did from Y to Z. From X to Y, the bike averaged 16 Km/gallon and from Y to Z, the bike averaged 24 Km/gallon. What is the average Km/gallon that the bike achieved on its trip from X through Y to Z?

A train 150 meter long and running at a speed of 60 km per hour takes 30 seconds to cross a bridge. What is the length of the bridge?

A boatman takes twice as long to go a distance upstream as to travel the same distance downstream. What is the ratio of the speed of the boatman (in still water) and the current?

150 individuals attended a marathon held in Sylhet. Of those only If x of the 150 individuals were from sythet and z of the individuals participated in the marathon but were not from sylhet. Which of the following represents the number of individuals who did not participate in the marathon and were not from sylhet?

A man rows at 6 km/hr in still water and 4.5 km/hr against current. His rate along the current is:

Q. 33 – 56: Read the following questions carefully and choose the right answer.
৩৩) A driver of an auto rickshaw sees a lorry 60m ahead of him. After 30 seconds the lorry is 90m behind. If the speed of the auto rickshaw is 38km/hr, then what is the speed of the lorry?

Two trains 105 meters and 90 meters long, run at the speeds of 45 km/h and 72 km/h respectively, in opposite directions on parallel tracks. The time which they take to cross each other is:

A can run 22.5m while B runs 25m. In kilometre race B beats A by-

A boat sails m miles upstream at r miles/hr. If the speed of the stream is  s miles/hr, how long will it take the boat to return to its starting point?