A problem in mathematics is given to three students whose chances of solving it correctly are `(1)/(2), (1)/(3) and (1)/(4)` respectively. What is the probability that only one of them solves it correctly ?

A problem on mathematics is given to three students A, B, C whose probabilities of solving it are (1)/(3), (2)/(5) and (3)/(4) respectively. Find the probability that the problem is solved.

A problem of Statistics is given to three students A, B and C, where chances of solving the problem individually are 1/2, 1/3 and 1/4 respectively. Find the probability that exactly one of them solve the problem.

A problem in mathematics is given to 4 students whose chances of solving individually are (1)/(2),(1)/(3),(1)/(4)" and " (1)/(5) . The probability that the problem will be solved at least by once students is

A problem in mathematics is given to three students A, B and C and their respective probability of solving the problem is (1)/(2),(1)/(3) and (1)/(4) . Then the probability that the problem is solved, is -

a problem on mathematics is given to three students A,B,C whose probabilities of solving it are 1/3,2/5and 3/4 . Find the probability that the problem is solved.

A problem in mathematics is given to two students A and B. The probability of solving the problem is (3)/(4) and (5)/(7) respectively. If the probability that the problem is solved by both of them is (2n)/(21) , then the value of n is -

A problem in mathematics is given to three students A ,B ,C and their respective probability of solving the problem is 1/2, 1/3 and 1/4. Probability that the problem is solved is 3//4 b. 1//2 c. 2//3 d. 1//3

The probabilities of solving mathematical problem by Gopal, and Kesto are (1)/(3)" and " (1)/(4) respectively. Find the probability of not solving the problem.

The probability that 3 students can solve a mathematics problem independently is (1)/(3), (1)/(4) and (1)/(5) respectively. The chance that the problem is solved is

The probability of hitting a target by three marksmen are 1/2, 1/3 and 1/4. Then find the probability that one and only one of them will hit the target when they fire simultaneously.