[" A problem in mathematics is given to three students where chances of solving it are "(1)/(2),(1)/(3),(1)/(4)," What is "],[" probability that exactly one of them will solve it? "]

(i) A problem in Mathematics is given to three students whose chances of solving it are : (1)/(2),(1)/(4) and (1)/(5) . What is the probability that at least one of them may solve it ? (ii) A problem is given to three students, whose chances of solving it are : (1)/(3),(1)/(5) and (1)/(6) . What is the probability that exactly one of them may solve it.

A problem in mathematics is given to 3 students whose chances of solving it are (1)/(2);(1)/(3);(1)/(4) .What is the probability that the problem is solved?

A problem in Mathematics is given to three students whose chances of solving it are : 1/2, 1/4 and 1/5 . What is the probability that at least one of them may solve it?

A problem is given to three students, whose chances of solving it are : 1/3, 1/5 and 1/6 . What is the probability that exactly one of them may solve it.

A problem in Mathematics is given to three students whose chances of solving it are (1)/(2),(1)/(3),(1)/(4) . What is the probability in the following cases ? (i) that the problem is solved (ii) only one (exactly one) of them solves it correctly (iii) at least one of them may solve it.