Permutations And Combinations Question 98
Question: The solution set of $ ^{10}{C _{x-1}}>2\ .{{\ }^{10}}C _{x} $ is
Options:
A) {1, 2, 3}
B) {4, 5, 6}
C) {8,9, 10}
D) {9, 10, 11}
 Correct Answer: C It is obvious and can be checked by substituting the values. Since the other three sets do not hold good.Show Answer
  Answer:
Solution:
 BETA
  BETA 
             
             
           
           
           
          