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Two towns A and B are 500 km apart. A train starts at 8 am from A towards B at a speed of 70 km/hr. At 10 am, another train starts from B towards A at a speed of 110 km/hr. When will the two train meet?

A1 pm

B12 noon

C12.30 pm

D1.30 pm

Answer:

B. 12 noon

Read Explanation:

Distance Covered by train A in 2 hours = 70 x 2 = 140 km Remaining distance = 500 - 140 = 360km 360 km is covered by two trains at their relative speed of approach (x+y) x + y = 70 + 110 = 180 km/hr Time taken = 360/180 = 2 hr So, the two trains will meet at: 10 am + 2 hrs = 12 noon.


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