COMEDK2013MathematicsPermutation and Combination
How many numbers of 6 - digits can be formed from the digits of the number 112233 ?
Options
- A30
- B60
- C90
- D120
Correct answer
C. 90
Step-by-step solution
Required number of 6 -digits number = 6 ! 2 ! 2 ! 2 ! = 720 8 =90