#Learn Mathematics; Reasoning problems with solution;Can you solve this?

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 probabiltiy that A alone solves it is ______