A box contains 12 balls out of which x are black. If one ball is drawn at random from the box, what is the probability that it will be a black ball? If 6 more black balls are put in the box, the probability of drawing a black ball is now double of what it was before. Find x.
Answers
Answered by
4
Answer:
(1) Here, we are asked to find the probability of drawing a black ball from the bag containing 12 balls in which x balls are black. Therefore, the probability that the randomly drawn ball is black will be x12. Hence, the value of x is 3.
Similar questions