JEE Main Physics question

A man throws a ball vertically upward and it rises through 20 m and returns to his hands. What was the initial velocity () of the ball and for how much time () did it remain in the air [MP PET 2001] [g = 10 m/s]

• (A) m/s, s
• (B) m/s, s
• (C) m/s, s
• (D) m/s, sCorrect