Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Probability
Probability of 3 students solving a question are \({1\over 2}, {1\over 3}, \) and \({1\over 4}\). Probability to solve the question is:
1
\({1\over 4}\)
2
\({1\over 2}\)
3
\({7\over 12}\)
4
More than one of the above
5
None of the above