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Question

Train A leaves Mumbai for Pune at 5:30 a.m. and reaches Pune at 9:30 a.m. Train B leaves Pune for Mumbai at 7:30 a.m. and reaches Mumbai at 13:30 hrs. At what time will these two trains meet?

A
9:30 a.m.
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B
9:42 a.m.
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C
8:42 a.m.
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D
None of these
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Solution

The correct option is C 8:42 a.m.
Train A takes 4 hrs to complete its journey

and train B takes 6 hrs to complete its journey.

Let the total journey =D.

Speed of train A=D4

and speed of train B=D6.

Distance covered by train A in 2 hrs=D4×2=D2.

Remaining distance =D2D4+D6

=D26D+4D24

=D210D24

=D2×2410D

=65 hrs=1 hr12 min.

Trains will meet at 7.30+1 hr12min.=8.42 A.M.

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