A) \[\frac{2}{3}\]
B) \[\frac{4}{3}\]
C) \[\frac{1}{3}\]
D) 1
Correct Answer: A
Solution :
The probability that the problem is not being solved by any of two students = \[\left( 1-\frac{1}{2} \right)\,\left( 1-\frac{1}{3} \right)\]=\[\frac{1}{3}\] and probability that the problem is solved = \[1-\frac{1}{3}=\frac{2}{3}\].
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