A box contains identical balls of which 12 are red, 18 white and 8 blue. Three balls are drawn from the box one after the other without replacement. Find the probability that;

(a) three are red
(b)the first is blue and the other two are red.

(c)two are white and one is blue.

Step-by-step explanation:

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step-by-step explanation:

an

y = 6x -3y -12

y +3y +12 = 6x

=> . x = { 2y / 3 +2 } this is equation of line in terms of x

=> . if line meets the x-axis the co-ordinates of meeting point would be ( x , 0 )

=> . x = 2 ( 0 ) / 3 + 2

=> . x = 2

so, the point is ( 2 , 0 )