A) 2 h
B) 3 h
C) 4 h
D) None of these
Correct Answer: C
Solution :
Relative speed of one with respect to another \[=30-\left( -20 \right)=50km/h\] Now, time taken to cover distance-of 200 km \[=\,\,\,\frac{200}{50}=4\,h\] \[\therefore \] They will meet after 4 h.You need to login to perform this action.
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