NDA 2016
- Exam
- NDA
- Year
- 2016
- Subject
- Mathematics
- Chapter
- Permutation and Combination
NDA 2016 · Mathematics · Permutation and Combination
A five-digit number divisible by 3 is to be formed using the digits...
A five-digit number divisible by 3 is to be formed using the digits and 4 without repetition of digits. What is the number of ways this can be done?
Options
- A
- B
- C
- DNo number can be formed
Correct answer
D. No number can be formed
Step-by-step solution
Since sum of digits = 10 (which is not divisible by 3 No numbers can be formed.