A Jar contains 18 balls. 3 blue balls are removed from the jar and not replaced.Now the probability of getting a blue ball is 1/5 then how many blue balls jar contains initially?
Choose the correct choice from the following answers.
A) 2	B) 3	C) 4	D) 5	E) 6
x/15 = 1/5   x =3   3+3(removed 3 blue balls) = 6   ANSW6R:6
<result>E</result>
A Jar contains 18 balls. 3 blue balls are removed from the jar and not replaced.Now the probability of getting a blue ball is 1/5 then how many blue balls jar contains initially?