GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
8. | What is the unit digit in (4137)754? | |
A. | 1 | |
B. | 3 | |
C. | 7 | |
D. | 9 | |
Answer: Option D | |
Explanation: | |
Unit digit in (4137)754 = Unit digit in {[(4137)4]188 x (4137)2} =Unit digit in { 292915317923361 x 17114769 } = (1 x 9) = 9 |
|
Tutorial Link: |