Question

The distance between Delhi and Lucknow is 520 km. A train covers 70 km in the first hour and if it runs at the speed of 90 kmph to cover the rest of the distance, then what is the total time taken?

• A. 5 hours
• B. 7 hours
• C. 5 hours 30 minutes
• D. 6 hours

Answer 1

Answer:

D. 6 hours

Remaining distance = 520 - 70 = 450 km Time taken to cover 450 km at 90 kmph 450/90 = 5 hours total time taken = 5 + 1 = 6 hours