Math, asked by Deviljaat884, 1 year ago

ans this ques as fast as possible......

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Answered by Anonymous

0

Answer:

option(c)15 minutes

Step-by-step explanation:

The trains arain are moving to each other

So total speed=

40+30=70 km/hr

Time taken=distance/speed

=(35/2)/70

=35/140 hr

=35/140*60=15 minutes

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