Question

The probabilities of A, B and C solving a problem are 1/3, 2/7 and 3/8 respectively. If all the three try to solve the probability that exactly one of them will solve it.

• A. $\frac{25}{52}$
• B. $\frac{25}{56}$
• C. $\frac{13}{42}$
• D. None of these

Answer 1

Answer: (B)

$\frac{25}{56}$

Answer 2

The correct option is (B):$\frac{25}{56}$