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```
let n be a natural number and the division of n divided by 5 leaves 4 and the division of n divided by 2 gives a remainder of 1 . What must be the units place digit of n

```
11 months ago

Arun
25333 Points
```							Dear student N/5 = 4 means unit digit is 4 or 9Now N/2 leaves 1 hence unit digit is 9 as N must be an odd number.
```
11 months ago
Vikas TU
13783 Points
```							Basically, N is of the form 5k+4 where k is an integer!(This is because, it leaves a remainder 4 when divided by 5)Put k = 0, 1 ,2 3, k = 0 = 4 k = 1 = 9 k = 2 = Unit digit is 4 , K = 3 = Unit digit is 9 , Now N/2 leaves 1 hence unit digit is 9Hope this helps  Good Luck
```
11 months ago
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• 101 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions