A train starts from a station P for another station Q at 6 p.m. at an average speed of 75 km per hour. Another train starts from station Q for station P at 8 p.m. at an average speed of 105 km per hour. If the distance between these two stations is 690 km. then at what time will the two trains meet?

Two persons P and Q are running towards each other. After 10 seconds the distance between them reduced by 150 m. If the speed of P was 27 km/h, then what will be the speed (in km/h) of Q?

Cars A and B are stationed at points P and Q which are on opposite sides of a cloud. From the points P and Q, the angles of elevation to that cloud at an altitude of 100√3 m are 30° and 60° respectively. If the speeds of cars A and B are 90 km/hr and 54 km/hr respectively and they move towards each other, what will be the time taken for the cars to meet (in seconds)?

The distance between two places, A and B is 500 km. Two riders start simultaneously from A and B towards each other. The distance between them after 4 hrs is 50 km. If the speed of one rider is 15 km/hr more than the other, find the speed of the faster rider.

X and Y start at the same time to ride from place A to place B, which is 80 km away from A. X travels 4 km per hour slower than Y. Y reaches place B and at once turns back meeting X, 16 km from place B. Y's speed (in km/h) is:

Julie and Soma start from the same point and walk in opposite directions. Julie walks 4 km/h faster than Soma. After 4 hours, they are 40 km apart. How fast did each walk?

Let Chennai and Trivandrum be two stations 690 km apart. A train starts from Chennai at 8:00 p.m. and travels towards Trivandrum at a speed of 75 km/h. Another train starts from Trivandrum at 9:00 p.m. and travels towards Chennai on the parallel track at 60 km/h. At what time will they meet?

Two men start traveling from the same place in the same direction at the rate of 5 km/hr and 5.5 km/hr respectively. To be 8.5 km apart from each other, the time taken by them is:

Train A leaves from P at 7 a.m. and reaches Q at 4 p.m. on the same day. Another Train B leaves Q at 8 a.m. and reaches P at 6 p.m. on the same day. At what time do they meet?

A train started from station A and proceeded towards station B at a speed of 212 kmph. 45 minutes later, another train started from station B and proceeded towards station A at 20 kmph. If the distance between the two stations is 855 km, at what distance from station A will the trains meet? (In km)

A leaves station P at 8 : 00 a.m. and reaches station Q at 11 : 00 a.m. B leaves station Q at 9 : 00 a.m. and reaches station P at 11 : 00 a.m. At what time will they cross each other?

Two identical artifacts, each 5 m long, are approaching each other at a distance of 2.2 km. Car A can cross a stationary man in 0.2 sec and car B can cross a 100 m long wall in 3.5 sec. How much time do they take to meet each other? (in seconds)

Two places, A and B, are 3710 km from each other. A train leaves from A to B at the same time another train leaves B to A. The two trains meet at the end of 35 hours. If the train travelling from A to B travels 35 kmph faster than the other. Find the speed of the faster train. (In kmph)

Two towns P and Q are 275 km apart. A motorcycle rider starts from P towards Q at 10:00 a.m. at the speed of 25 km/h. Another rider starts from Q towards P at 12 noon on the same day at the speed of 20 km/h. At what time will they cross each other? 

 A train starts from a station P for another station Q at 6 p.m. at an average speed of 75 km per hour. Another train starts from station Q for station P at 8 p.m. at an average speed of 105 km per hour. If the distance between these two stations is 690 km. then at what time will the two trains meet?

Ghochu travels from point A to point B and Chomu travels from point B to point A at speeds of 12 km/h and 18 km/h respectively. If the distance from point A to point B is 1 km, then how far (in km) are they from each other one minute before they collide?

The distance between two places, A and B is 500 km. Two riders start simultaneously from A and B towards each other. The distance between them after 4 hrs is 50 km. If the speed of one rider is 15 km/hr more than the other, find the speed of the faster rider.

Two cars P and Q start from the opposite direction of 100 km apart. Car P reaches a distance of 30 km, and car Q reaches a distance of 25 km. What is the distance between the two cars?

Man A is walking at a speed of 15 km/hr and second man B walking opposite A at a speed of 10 km/hr. If they meet after 2hr, find the distance between them. 

Two men start traveling from the same place in the same direction at the rate of 5 km/hr and 5.5 km/hr respectively. To be 8.5 km apart from each other, the time taken by them is:

A train started from point A at a speed of 60 km/hr and after 2 hours another train of same length started from A at a speed of 80 km/hr in the same direction as the first one. After how much time the second train will meet the first train?