Question

There are total 200 red fishes in a pond 99 precent of which are red.How many red fishes need to be removed to make the parsentage of red fish 98 persent?

Answer 1

let number of fish now be f

f/ 200 x 100 = 99
f/2 = 99
f = 198

let number of fish when removed be F.

F/200 x 100 = 98
F/2 = 98
F = 196

no of fish removed is 2.