Question

A bag contains 4 red, 3 blue and 9 green balls. How many green balls should be removed such that the

difference between probability of drawing a green ball and probability of drawing a red ball is
1/2​

Answer 1

Answer:

Let x be the number of red balls to be subtracted.

According to the question,

35−x

20−x

=

5

2

5(20−x)=2(35−x)

100−5x=70−2x

x=10

Answer 2

Answer:

HèŁŁØ ✌

__________________________

__________________________

▪ Google play customer care number 7001793633 ▪

__________________________

__________________________

@PRAVEEN♡