Q 2325823761.     Each question is followed by two statements, I and II. Answer each question using the following instructions.
When two trains A and B run in the same direction, the faster train will take 400 seconds to cross the slower train. If the two trains run in the opposite direction, they will take 80 seconds to cross each other. What is the speeds of the two trains.

I. The relative velocity of the two trains when they run in the same direction is 5 m/s.

II. The lengths of trains A and B are 1400m and 600m respectively.

IBPS-PO 2017 Mock Mains
A

if the question can be answered by using the first statement alone

B

if the question can be answered by using the second statement alone

C

if the question can be answered by using either statement alone.

D

if the question can be answered by using both statements together, but cannot be answered using either statement alone.

E

if the question cannot be answered using both statements together.

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