NDA 2018
- Exam
- NDA
- Year
- 2018
- Subject
- Mathematics
- Chapter
- Permutation and Combination
NDA 2018 · Mathematics · Permutation and Combination
What is the sum of all three-digit numbers that can be formed using...
What is the sum of all three-digit numbers that can be formed using all the digits 3,4 and 5 , when repetition of digits is not allowed?
Options
- A2664
- B3882
- C4044
- D4444
Correct answer
A. 2664
Step-by-step solution
Number of 3 digit number made from digit 3,4 or 5 and having all distinct digit and sum of such numbers are