AP EAMCET · Maths · Permutation Combination
15 persons are sitting around a circular table. The number of ways of selecting three persons at a time from them, such that the selected three did not sit together at one place is
- A 455
- B 15
- C 45
- D 440
Answer & Solution
Correct Answer
(D) 440
Step-by-step Solution
Detailed explanation
The total number of ways selecting 3 persons from 15 persons seat around a circular table is \({ }^{15} C_3\). Now, number of ways selecting 3 persons who sit together at one place is 15 .…
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