Question : Direction: Two buses start at the same time from Delhi and Agra, which are 300 kms apart, towards each other. After what time will they cross each other if their speeds are 38 km/h and 37 km/h?
Option 1: 4 hours
Option 2: 3 hours
Option 3: 5 hours
Option 4: 6 hours
Correct Answer: 4 hours
Solution :
Given:
Distance between Delhi and Agra = 300 km
Speed of bus 1 = 38 km/h
Speed of bus 2 = 37 km/h
Here, both the buses are moving toward each other.
Relative speed = 38 + 37 = 75 km/h
Therefore, the
time taken by the buses to cross each other
= Distance ÷ Relative speed
= 300 ÷ 75
= 4 hours
Hence, first option is correct.
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