| (Number)p | Unit Digit |
|---|---|
| ¶ ଜଦି N ର unit digit 0,1,5,6 ହେବ। | Unit Digit = Number ର Unit Digit ହେବ। |
| ¶ ଜଦି N ର Unit Digit 2,3,7,8 ହେବ। | • Power/4 , If Remainder = 1,2,3••••••• than Nr • If remainder = 0 than N4 |
| ¶ ଜଦି N ର unit digit 4 ହୁଏ। | • 4even= 6 • 4odd= 4 |
| ¶ ଜଦି N ର unit digit 9 ହୁଏ। | • 9even= 1 9odd= 9 |
Q. 7653 => Unit digit = 5
Q. 5745 => Unit digit = ?
Ans: 45/4 => Remender = 1
571 = 7 (Unit Digit)