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36 . One train is traveling 45 kmph and other is at 10 meters a second. Ratio of the speed of the two trains is?
A. 5:4 B. 4:5
C. 9:2 D. 2:9

37 . A train leaves Delhi at 9 a.m. at a speed of 30 kmph. Another train leaves at 2 p.m. at a speed of 40 kmph on the same day and in the same direction. How far from Delhi, will the two trains meet?
A. 300 km B. 400 km
C. 600 km D. None

38 . How long does a train 165 meters long running at the rate of 54 kmph take to cross a bridge 660 meters in length?
A. 45 sec B. 75 sec
C. 55 sec D. 54 sec

39 . Two trains 121 meters and 165 meters in length respectively are running in opposite directions, one at the rate of 80 km and the other at the rate of 65 kmph. In what time will they be completely clea
A. 7 sec B. 8.12 sec
C. 7.25 sec D. 7.15 sec

40 . The distance between Delhi and Mathura is 110 kms. A starts from Delhi with a speed of 20 kmph at 7 a.m. for Mathura and B starts from Mathura with a speed of 25 kmph at 8 p.m. from Delhi. When will t
A. 10.30 a.m. B. 10.00 a.m.
C. 9.30 a.m. D. 9.00 a.m.