Question

HELP Me GUYS!!! some doubts plz Solve this ques! ​

Answer 1

Step-by-step explanation:

I hope this will help u.

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Answer 2

Answer:

3

Step-by-step explanation:

HI MATE!!✌️✌️

Total number of balls =12

Let number of black balls be x.

Then, P(drawing a black ball)=x/12

GIVEN THAT 6 MORE BLACK BALLS ATE PUT IN THE BOX.

Now, we have

Total number of balls=18

Number of black balls =x+6

P(drawing a black ball)=x+6/18

NOW WE HAVE,

x+16/18=2*x/12

x+6/18=x/6

x+6=3x

2x=6

x=3

THIS IS YOUR ANSWER.

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