Question

A body weights 45 kg wt on the surface of Earth.
Its weight on the surface of Mars will be
[Mass of Mars = (1/9) mass of Earth, Radius of
Mars = (1/2) Radius of Earth]
(a) 25 kg wt
(b) 20 kg wt
(c) 30 kg wt
(d) 40 kg wt​

Answer 1

25 kg wt is the answer because i know the explanation