Discussion of Question with ID = 074 under Probability

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Question

9 cones are lying inverted on a table. 2 of them contain balls, but 7 of them are empty. What is the probability of getting a ball if one of the cones is opened randomly?

A

${2/9}$.

B

$3/9$.

C

$4/9$.

D

$7/9$.

Soln.
Ans: a

Chances favoring a ball are 2, whereas the total chances are 9. The probability is 2/9 = ${2/9}$.

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