Q.21 A railway train 100 m long is running at a speed of 45 km/ph. In what time will it pass a man standing near the railway line?
(A) 8 sec.
(B) 10 sec.
(C) 12 sec.
(D) none of these
Q.22 A train 300 m long overtook a man walking along the line (in the same direction of the train) at the speed of 5 km/ph and passed him in 30 sec. The train reached the station in 15 min after it has passed the man. In what time the man reaches the station?
(A) 2 hrs. 4 min
(B) 2 hrs. 5 min
(C) 2 hrs. 3 min
(D) none of these
Q.23 A train starts with a certain number of passengers. At the first station 1/3rd of the original passengers get off and 280 passengers get in. At the 2nd station it drops one half of the new total and takes 12 more. On arriving at the third station it is found to have 248 passengers. The number of passengers initially was….
(A) 156
(B) 288
(C) 564
(D) 608
Q.24 A person standing on a railway bridge which is 50 m long finds that a train crosses the bridge in 4 ½ second, but himself in 2 second. Therefore, the length of the train is….
(A) 50m
(B) 20m
(C) 100m
(D) 40m
Q.25 A train 150 m long is running at a speed of 30 km/ph. It will pass standing man in……
(A) 18 sec.
(B) 45 sec.
(C) 12 sec.
(D) none of these
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