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UPSC NDA I 2018 Mathematics Solved Paper
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© examsnet.com
Question : 7
Total: 120
How many numbers between 100 and 1000 can be formed with the digits 5, 6, 7, 8, 9 if the repetition of digits is not allowed?
[NDA I 2018]
3
5
5
3
120
60
Validate
Solution:
👈: Video Solution
No. of ways
=
5
×
4
×
3
=
60
© examsnet.com
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