(Q). In a dance competition, there are 10 participants. In each performance exactly two dancers will perform. Mr. Abhishek, a fan of this show has decided to see exactly 10 dance iperformance. In how many ways he can select the performance?
Solution:-
Total number of dance performance is ¹⁰C₂ = 45
So Mr. Abhishek has to select 10 performances from these 45 performances
& that can be done in ⁴⁵C₁₀ ways Answer