Q.The sum Of the distances travelled by a freely falling body in 1^st , 3^rd and 5^th seconds is equal to the distance travelled in the last second of its free fall. The time of its free fall is
(l) 2 sec                  (2) 4 sec               (3) 6 sec               (4) 8 sec

Q. The ratio of the distance travelled by a freely falling body in the last second of its motion and that in the last but one second of its motion are in the ratio of 3:2. The total time taken by the body to reach the ground is
(1) 5 sec                 (2) 1 sec                 (3) 2.5 sec           (4) 3.5 sec