NDA2023MathematicsPermutation and CombinationActual
5 - digit numbers are formed using the digits 0,1,2,4,5 without repetition. What is the percentage of numbers which are greater than 50,000 ?
Options
- A20 %
- B25 %
- C100 3 %
- D110 3 %
Correct answer
B. 25 %
Step-by-step solution
Total numbers =4 4 3 2 1=96 Numbers greater than 50,000 : Percentage of Numbers = 24 96 100=25 %