Assertion : The relative velocity between any two bodies moving in opposite direction is equal to sum of the velocities of two bodies. Reason : Sometimes relative velocity between two bodies is equal to difference in velocities of the two.

• A. If both assertion and reason are true and the reason is the correct explanation of the assertion.    
• B. If both assertion and reason are true but reason is not the correct explanation of the assertion.  
• C. 0.4 V
• D. If the assertion and reason both are false.    
• E. If assertion is false but reason is true.