Question

Nisha has54 marbles which are white, blue and black. The ratio of white, blue and black

marbles is 3:1:2. If one marble is taken at random, find the probability that it is not

white​

Answer 1

Answer:

Answer :

12

Solution :

Total number of marbles in the jar= 54. <br> P(getting a blue marble) =

and P(getting a green marble) =

. <br> Let P(getting a white marble) be x. <br> Since there are only three given types of marbles in the jar, we have <br>

. <br>

P(getting a white marble) =

. <br> Let the number of white marbles be n. <br> Then, P(getting a white marble) =

. <br>

. <br> Hecne, there are 12 white marbles in the jar.

Step-by-step explanation:

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