Cars take 15 hr to cover the distance of 150 km between P and Q A bus starts from point P at 6 00 a ...........

Quantitative Aptitude ( CCS) Time & distance

Cars take 15 hr to cover the distance of 150 km between P and Q. A bus starts from point P at 6.00 a.m. and another bus starts from point Q at 9.00 a.m. on the same day. When do the two cars meet?

3 PM

2.50 PM

1.30 PM

12 PM

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Explanation:

Solution:
Distance 150 km.
Speed of the cars =150/15=10km/hr
By 9.00 a.m., the car from P covered 30 km.
Remaining distance = 150 – 30 = 120 km
Relative speed of the cars = 20 km/hr.
Time taken to meet = 120/20=6 hr after Q starts
ie 3pm meeting time.