A train runs at 80 kmph for the first 40 km and the next 30 km at 60 kmph. Find the average speed.
A. 62 kmph
B. 64 kmph
C. 65 kmph
D. 70 kmph
Answer:D
A train runs at 80 kmph for the first 40 km and the next 30 km at 60 kmph. Find the average speed.
A. 62 kmph B. 64 kmph C. 65 kmph D. 70 kmph