Aptitude - Numbers - Discussion
Discussion Forum : Numbers - General Questions (Q.No. 128)
128.
What is the unit digit in 7105 ?
Answer: Option
Explanation:
Unit digit in 7105 = Unit digit in [ (74)26 x 7 ]
But, unit digit in (74)26 = 1
Unit digit in 7105 = (1 x 7) = 7
Discussion:
17 comments Page 2 of 2.
Bhagyasri said:
1 decade ago
How to know that unit digit of 7 power 4 whole to the power 26 is 1?
Keerthi said:
1 decade ago
Unit digit means which is in units place.
Kanika said:
8 years ago
Please explain simple and easy method.
(1)
Aswath said:
2 decades ago
same doubt as akshatha hav!!!
Radhika Agrawal said:
8 years ago
Can we find it by using log?
Tanisha said:
8 years ago
How 26 comes? Explain.
(1)
Sravanthi said:
1 decade ago
What is unit digit?
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