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The distance between two cities A and B is 330 Km. A train starts from A at 8 a.m. and travel 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?

A. 10 am

B. 11 am

C. 12 pm

D. 1 pm

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Correct Answer : B.


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
So, 60x+75(x-1) = 330
x=3.
So,they meet at (8+3). i.e 11a.m.

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