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Two trains Ajanta express and Barouni ex...

Two trains Ajanta express and Barouni express simultaneously started on two parallet tracks from Meerut to Nagpur, which are 390 km apart. The ratio of the speed of Ajanta express and Barouni express is 6 : 7. After how long (in kms) travelling, Barouni express exchanges the speed with Ajanta express so that both the trains reach at their destination simultaneously :

A

150 km

B

190 km

C

210 km

D

can't be determined

Text Solution

Verified by Experts

The correct Answer is:
C
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