Three persons work independently on a problem. If the respective probabilities that they will solve it are 1/3, 1/4 and 1/5, then find the probability that none can solve it.

The probabilities that three children can win a race are 1/3,1/4 and 1/5 . Find the probability that any one can win the race.

A, B and C were given a problem in Mathematics whose respective probabilities of solving it are (1)/(2),(1)/(3) and (1)/(4) . The probabiltiy that A alone solves it is ______

A problem is given to three students whose chances of solving it are 1/4, 1/5 and 1/6 respectively. Find the probability that the problem is solved.

A, B and C were given a problem in Mathematics whose respective probabilities of solving it are (1)/(2),(1)/(3) and (1)/(4) . The probability that the problem is not solved is ______

A problem on mathematics is given to three students whose chances of solving it are 1/2, 1/3 and 1/4, respectively, find the probability that the problem will be solved.

A, B and C were given a problem in Mathematics whose respective probabilities of solving it are (1)/(2),(1)/(3) and (1)/(4) . The probability that exactly two of them solves it is ______

A problem in mathematics is given to three students and their respective probabilities of solving the problem are (1)/(2) , (1)/(3) and (1)/(4) . The probability that the problem is solved, is