A bag contains 12 balls out of which x are black.[ 1 ]If a ball drawn

1.	A bag contains 12 balls out of which x are black.[ 1 ]If a ball drawn at random, what is the probability that it will be a black ball? [ 2 ] If 6 more black balls are put in the bag, the probability of drawing a black ball will be double than that of [ 1 ]. Find the value of x.
Answer» Answer: 1.x/12 2.x+6/18=2x/12 x+6=3x 2x=6 x=3.

A bag contains 12 balls out of which x are black.[ 1 ]If a ball drawn at random, what is the probability that it will be a black ball? [ 2 ] If 6 more black balls are put in the bag, the probability of drawing a black ball will be double than that of [ 1 ]. Find the value of x.

Answer»

Answer:

1.x/12

2.x+6/18=2x/12

x+6=3x

2x=6

x=3.

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A bag contains 12 balls out of which x are black.[ 1 ]If a ball drawn at random, what is the probability that it will be a black ball? [ 2 ] If 6 more black balls are put in the bag, the probability of drawing a black ball will be double than that of [ 1 ]. Find the value of x. ​

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A bag contains 12 balls out of which x are black.[ 1 ]If a ball drawn at random, what is the probability that it will be a black ball? [ 2 ] If 6 more black balls are put in the bag, the probability of drawing a black ball will be double than that of [ 1 ]. Find the value of x.