Girish wants to participate in the 200m Sprint. He can currently run that distance in 45 sec. But he wants to do that in under 30sec. With each day of practice, it takes him 2 sec less. Respond to the above situation by answering the questions given below
Which of the following forms an A.P for the above given situation

Options

A. 45, 90,180,….
B. 45, 47, 49,…..
C. 45, 43, 41,….
D. `-45, -47, -48,….`

Answer

C