The diagram shows the velocity-time graph of two moving cars P and Q. The graph indicates that (i) The velocity of car P is increasing at a decreasing rate from 40 s to 45 s in same direction. (ii) Car Q is moving with a constant acceleration from 0 to 20 seconds. (iii) Acceleration of the car Q is not zero at any point during whole journey. (iv) After 20 s, P is behind Q.

The diagram shows the velocity-time graph of two moving cars P and Q.

1.	The diagram shows the velocity-time graph of two moving cars P and Q. The graph indicates that (i) The velocity of car P is increasing at a decreasing rate from 40 s to 45 s in same direction. (ii) Car Q is moving with a constant acceleration from 0 to 20 seconds. (iii) Acceleration of the car Q is not zero at any point during whole journey. (iv) After 20 s, P is behind Q.
A.	Only (i) and (ii)
B.	Only (ii) and (iii)
C.	Only (iii) and (iv)
D.	Only (iv) and (i).
Answer» B. Only (ii) and (iii)

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