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A train 75 meters long is running with a speed of 20 km /hr. it will pass a standing man in -

A train 75 meters long is running with a speed of 20 km /hr. it will pass a standing man in - Correct Answer 13.5

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There is only one rail track between stations A and B on a railway line. One hour after the northbound superfast train N leaves station A for station B, the southbound passenger train S reaches station A from station B. The speed of superfast train is twice that of express train E, while the speed of passenger train S is half of that of train E. On some one day train N leaves from station A to station B 20 minutes late than its usual schedule. Both Train N and Train S have increased their speed to maintain the schedule as per the table. If the superfast train doubles its speed, then what should be the ratio (approximately) of the speed of the passenger train to the speed of the superfast train so that the passenger train reaches the station on that day at the exact scheduled time.
The speed of car is S km/hr running on the road besides a railway track. If the speed of the train is (S + 144) km/hr and car is D meter distance ahead of the engine of train. The train will pass the car in 21 seconds. If the speed of the car is 60 km/hr and the speed of the train is (S + 110) km/hr. The car is (D – 240) meter distance ahead of the engine of the train and the train will pass the car in 20 seconds. The length of the train is (D + 160) m. Then, what is the value of S?
As soon as a passenger train enters the platform, a stray dog starts chasing the train till the end of platform. The train was 200 m long. The platform was 1600 m long. Driver of the train however finds that the dog is not running at all, only pretending to run as neither it moves ahead nor lags behind during the whole time train crosses the platform. But a person standing on the platform tells that the dog was running at a speed of 60 m/s. What was the speed of the train?
Two trains whose lengths are 100 meters and 200 meters respectively run from A to B at 10 AM and 12 AM respectively and their speed is 18 km/h and 36 km/h respectively. Ram travels in a train of short length. If C is a station between A and B, here Ram's friend board in the high speed train and both meet at that place, where the high speed train crosses the low speed train. If the short length train reached point C at 12 o'clock, then find when will the two friends meet?
A train with uniform speed crosses a 162m long platform in 36 seconds and another platform 120 m long in 30 seconds. Which of the following statements are correct A. As the length of the platform is changing, the time taken to cover the distance will also change.  B. Speed of the train is 7 m/seconds. C. The length of the train is more than the length of platform 1. D. Train is 90 meters long. E. Length of both the platforms to be added to find the length of the train. Choose the correct options given below.
In an NCC parade of a school, seven students P, Q, R, S, T, U, and V are standing in a row. V is standing between P and T. One student is standing between U and P. There are two students standing between R and T who is standing at the left of P. S is standing at the immediate right of U. There are three students between R and Q. Who is standing third from the left end of the row?
A train is traveling at a speed of 96 kilometers per hour. It takes 3 seconds to enter a tunnel and 30 seconds more to pass through it completely. Which of the following statements are correct? A. Length of the tunnel is 100 meters B. Tunnel is longer than train C. Train is longer than the tunnel D. Length of the train is 80 meters E. Length of the tunnel is 800 meters Choose the correct answer from the options given below:
A train is moving with a speed of 18 km/h. Ali is late to board the train and starts running when the train is already 110 m ahead. He increases his speed by 2 m/s after running for 5 seconds. If he is able to catch the train after running for 1 minute, what is his original speed?
In the following question, two statements are numbered as A and B. On solving these statements we get quantities A and B respectively. Solve for the both quantities and chose the correct option. Quantity A: A train is running from Jaipur to Jammu at 8:00 am at the speed of 40 km/hr and another train is running from Jammu to Jaipur at 9:00 am at the speed of 60 km/hr. If the distance between Jaipur and Jammu is 640 km then find the distance from Jaipur when they meet? Quantity B: Shatabdi Express is running from Delhi to Kanpur at 7:00 am at the speed of 80 km/hr and Rajdhani Express is running after 2 hours of shatabdi express at the speed of 120 km/hr. Find out the distance from Delhi when they meet?
What is the distance covered by boat N upstream in 5 hours? Which of the following option is sufficient alone to find the answer? A) Boat M is travelling downstream with 20% more downstream speed of boat N. Speed of boat M in still water is 10% more than the speed of boat N in still water. B) Boat M and Boat N are travelling downstream with speed 33 km/hr and 40 km/hr respectively and speed of boat M is still water is 2 times the speed of stream. C) Speed of boat M in still water is 6 km/hr less then speed of boat N in still water and speed of stream is 10 km/hr. D) Speed of stream is ½ times the speed of boat N in still water and downstream speed of boat M is 44 km/hr. E) Speed of stream is 10 km/hr and ratio of upstream speed of boat M and boat N is 3 : 2 respectively.