1.

Two identical trains A and B running in opposite direction at same speed tale 2 min to cross each other completely. The number of bogies of A are increased from 12 to 16. How much more time would they now require to cross each other?

A. 20 sec
B. 40 sec
C. 50 sec
D. 60 sec
Answer» B. 40 sec


Discussion

No Comment Found