CBSE pyq 2025 Probability chapter 13 class 12 Q) A problem in Mathematics is given to three students whose chances of solving it are 1/2,1/3,1/4 respectively. If the events of their solving the problem are independent then the probability that the problem will be solved is (a) 1/4 (b) 1/3 (C) 1/2 (d) 3/4 class 12 maths chapter probability probability distributions class 12 probability class 12 continuity and differentiability class 12 class 12th maths chapter 13 probability probability class 12