**Question **: A body is thrown vertically up with a velocity u. It passes three points A, B and C in its upward journey with velocities u/2 , u/3 and u/4 respectively. The ratio of the separations between points A and B and between B and C is

(a) 1

(b) 2

(c) 10/7

(d) 20/7

**Answer **: The right option is (d)

**Solution **: