A train covers a distance of 30 km at a speed of 40 km/h and another 30 km/h at the speed of 20 km/h. What is the average speed?
Correct answer D. none
Tip: press A, B, C or D to answer, and N for the next question.
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More Problems on Trains questions
See allA train traveling at 30 mph is stopped 1?
Correct answer B. 1:03
A train covers the distance d between two cities in h hours arriving 2 hours late. What rate would permit the train to arrive on schedule?
Correct answer C. d/(h-2)
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A train traveling at 60 km/h leaves Multan for Lahore at 7 AM. Another leaves Lahore for Multan at 8 AM and travels at 28 km/h. If the distance from Lahore to Multan is 192 km how far from Multan will the two trains cross another?
Correct answer D. 150
Two trains traveling in the same direction at 40 and 22 km/hr completely pass each other in 1 minute. If the length of the first train is 125 meters what is the length of second train?
Correct answer C. 175
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