Math, asked by jeenatsaifi38, 3 months ago

A box contains 12 balls of which some are red in colour. If 6 more red balls are
put in the box and a ball is drawn at random, the probability of drawing a red
ball doubles than what it was before. Find the number of red balls in the box.
[CBSE 2018]​

Answers

Answered by vanshi3042
0

the number Given

,Total balls in the box = 12

Red balls in the box = x

Probability of drawing a red = Number of red balls

-------------------------------

total numbers of balls

x

----

12

If 6 more red balls are put in the box,

Total number of balls = 12 + 6 = 18

Number of red balls x + 6

Probability of drawing a red balls = x+6/18

Hope it helps u

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