Question

A box contains red, white and yellow balls. The ratio of yellow to white balls 18 4:3. The ratio of white to red balla le 11e Find the ratio of yellow to white to red balls in the box,​

Answer 1

Answer:

Question ❓

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A bag contains 5 white balls, 6 red balls and 9 green balls. A ball is drawn at random from the bag. Find the probability that the ball drawn is :

(i) a green ball.

(ii) a white or a red ball.

(iii) is neither a green ball nor a white ball.

Step-by-step explanation:

White

6

Red

9

Green

Total number of balls =5+6+9

=20

(i) Probability =

Total cases

favourable cases

P(Green) =

20

9

(ii) P(White or red) =

20

5+6

=

20

11

(iii) P(neither green nor white) = P(Red)

=

20

6

=

10

3