Question

Kanya Doon Express train between Dehradun and Kanyakumari for up and down train journey Express 9 o'clock a.m. everyday at both ends and reaches the destination at 9:30 a.m. after 3 days Rahul travelled by Kanya Express from Kanyakumari to Dehradun how many Express train DD cross and root coming from the opposite direction​

Answer 1

DD cross means where two expresses from a different starting point but at the same destination pass each other at a same point and same time.

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Answer 2

Answer:

7 trains will be seen by rahul in this route