Question

11. Marbles are to be removed from a jar that contains 12 red marbles and 12 black marbles.
What is the least number of marbles that must be removed so that the ratio of red marbles
to black marbles left in the jar will be 4:3 ?
(A) 10
(B) 3
(C) 6
(D) 1
(E) None of these​

Answer 1

3 marbles you can removed then the ratio become 4:3