Question

5.
A, B, C and D are points in a vertical line such that
distances are in the ratio AB: BC: CD: 1:2:3.
If a body falls from rest from A, then times of
descend through AB, BC and CD respectively are in
the ratio
(1) 1: 3-1: 6-ſ3 (2) 1:2:13
(3) 1: √2-1: 3 -√2 (4) 1: (3-√2: 5 - 4​

Answer 1

Answer:

it can be solved by rationalisation................

Choose as the brainless answer please