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Question

Two cars start towards each other, from two places A and B which are at a distance of 160 km. The start at the same time 8:10 AM. If the speeds of the cars are 50 km and 30 km per hour respectively, they will meet each other at

A
10:10 AM
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B
10:30 AM
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C
11:10 AM
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D
11:20 AM
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Solution

The correct option is A 10:10 AM
A--------------------X km--------------P--------------(160X) km-----------------B
Speed of B=30 kmph
Let time taken to meet at point P is same as both train started at same time .
Now,
Time taken to traveled X km by A=X50 .........(i)
Time taken to traveled (160X) km by B=(160X)30 ............(ii)
Comparing equation (i) and (ii), we have
X50=(160X)30
3X=8005X
8X=800
X=100 km
Time taken by A to traveled 100=10050=2 hours.
So, they will at 10:10 AM.

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