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Train A takes 1 hour more than train B t...

Train A takes 1 hour more than train B to travel a distance of 720 km. Due to engine trouble speed of train B falls by a third, so it takes 3 hours more than Train A to complete the same journey ? What is the speed of Train A (in km/hr) ?

A

80

B

90

C

60

D

70

Text Solution

Verified by Experts

The correct Answer is:
A
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