RRB NTPC · Question 72
Two buses from two stations - Mumbai and Pune, which have a distance of 300 km, run opposite directions of each other at the same time and cross each other at a distance of 220 km from one station. What is the ratio of their speed? A. 13 : 9 B. 10 : 3 C. 11 : 4 D. 14 : 5
Show answer & explanation
Answer: (A) C
Explanation
In the same time one bus covers 220 km and the other 300 − 220 = 80 km, so their speeds are in the ratio 220 : 80 = 11 : 4.