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Jaya

· started a discussion

· 1 Months ago

Quant (Question: 231836.0 )

Pls explain this question..

Question:

There are 13 white and 7 black balls in a bag. Two balls are drawn at random. What is the probability that they are of same colour?

Options:
A) \(\cfrac{99}{190}\)
B) \(\cfrac{5}{13}\)
C) \(\cfrac{19}{90}\)
D) \(\cfrac{189}{90}\)
Solution:

Ans: (a)  

Probability that both balls are of same colour = 

 

Knowledge Expert

· commented

· 1 Months ago

Dear student,
Please read the solution properly.
Keep learning,
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