Question

Two trains start at the same time, one from Kolkata and the other from Mumbai. If the trains run at 80 km/h and 75 km/h respectively, when they met they found that one train covered 150 km more than the other. What is the distance between Kolkata to Mumbai?

• A. 4550
• B. 4650
• C. 2250
• D. 4000

Answer 1

Answer:

B. 4650

Let the slower train travelled be x km and the faster train travelled be (x + 150) km when they met. Both of them took the same time to reach the meeting point. (x/75) = (x + 150)/80 ⇒ 16x = 15x + 2250 ⇒ x = 2250 ⇒ (x + 150) = 2400 distance = (2250 + 2400) km ⇒ 4650 km