Subject :IMO Class : Class 9
A box contains 5 green balls and some white balls. If the probability of drawing a white ball is half of the probability of drawing a green ball, then find the number of white balls in the box.
A 10
B 5
C 15
D 20
the questions answer is 2.5 and there is no option given here and the solution is also wrong
Ans 1:
Class : Class 9