The distance between two cities A and B is 330 km A train starts from A at 8 a m and travels towards...........

Quantitative Aptitude ( CCS) Problems on trains

The distance between two cities A and B is 330 km. A train starts from A at 8 a.m. and travels towards B at 60 km/hr. Another train starts from B at 9 a.m. and travels towards A at 75 km/hr. At what time do they meet?

10:30 am

10:45 am

11 am

11:25 am

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Explanation:

Suppose they meet x hrs after 8 a.m.
Then, (Distance moved by first in x hrs) + [Distance moved by second in (x-1) hrs] = 330
60x + 75(x – 1) = 330
x = 3
So, they meet at (8 + 3), i.e. 11 a.m