Two trains are moving in the same direction with speeds of 15 km/h and 21 km/h, respectively. What is the speed of trains in respect of each other?

Two trains are moving in the same direction with speeds of 15 km/h

1.	Two trains are moving in the same direction with speeds of 15 km/h and 21 km/h, respectively. What is the speed of trains in respect of each other?
A.	26 km/h
B.	15 km/h
C.	6 km/h
D.	24 km/h
Answer» D. 24 km/h

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Two trains are moving in the same direction with speeds of 15 km/h and 21 km/h, respectively. What is the speed of trains in respect of each other?

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