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JEE Advance 2013
Paper-1
Question
Four persons independently solve a certain problem correctly with probabilities $\frac{1}{2}, \frac{3}{4}, \frac{1}{4}, \frac{1}{8}$. Then the probability that the problem is solved correctly by at least one of them is
Select the correct option:
A
$\frac{235}{256}$
B
$\frac{21}{256}$
C
$\frac{3}{256}$
D
$\frac{253}{256}$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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JEE Advance
Mathematics
Easy
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