How do the peddler from ‘The Rattrap’ and ‘the office boy’ from ‘Poets and Pancakes’ compare in terms of their frustration, status, and grudges against others?
Four students of class XII are given a problem to solve independently. Their respective chances of solving the problem are: \[ \frac{1}{2},\quad \frac{1}{3},\quad \frac{2}{3},\quad \frac{1}{5} \] Find the probability that at most one of them will solve the problem.