Published by:
CGP EDU Academic Team
Published on: August 14, 2026
For an initial screening of an entrance exam, a candidate is given fifty problems to solve. If the probability that the candidate can solve any problems is 
, then the probability, that he is unable to solve less than two problems is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
: 
solving a problem 
not solving a problem 
Let 
be the random variable representing number of problem that candidate is unable to solve.
Now, 
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