Book Maths Puzzle Numerical Ability

two trains A and B are 110 km apart on a straight line .one train starts from A at 7am and travels toward b AT 20KM/HR..another train starts from B at 8 am and travels towards A at a speed of 25km/hr...at what time they will meet?

ans:
9am
10am
10.30am
11am

Read Solution (Total 1)

let both the trains will meet after t hours.
now,
20*(t+1)+25*t=110
after solving the eq we will get t=2 hours
so they will meet after 2 hours of second train starts
so the answer will be 10 am
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