Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Permutations and Combinations Circular Permutation
10 persons are seated at a round table. The probability that two particular persons sit together is
1
1/5
2
2/9
3
3/7
4
More than one of the above
5
None of the above