Aptitude - Numbers - Discussion

Discussion Forum : Numbers - General Questions (Q.No. 10)
10.
What is the unit digit in {(6374)1793 x (625)317 x (341491)}?
2
3
5
Answer: Option
Explanation:

Unit digit in (6374)1793 = Unit digit in (4)1793

    = Unit digit in [(42)896 x 4]

    = Unit digit in (6 x 4) = 4

Unit digit in (625)317 = Unit digit in (5)317 = 5

Unit digit in (341)491 = Unit digit in (1)491 = 1

Required digit = Unit digit in (4 x 5 x 1) = 0.

Discussion:
123 comments Page 9 of 13.

Yogesh said:   4 years ago
I don't understand. Please explain in detail.
(3)

Venkatesh said:   1 decade ago
Find the unit digit in (264)^102 + (264)^103

Arun said:   1 decade ago
As well say for this: 31.999*12.001*17.5001.

Kratika said:   1 decade ago
Find unit digit of 1^1!+2^2!+........+80^80.

Vidhya said:   1 decade ago
How to find easy way to answer the question?

Shashank said:   1 decade ago
@gautham. You made it very simple!

Thanks.

Raja shekhar said:   1 decade ago
What is unit digit? please explain anybody.

Anu said:   10 years ago
Find unit digit of 1^1+2^2+3^3+4^4+5^5+6^6?

Harikrishna said:   9 years ago
Your method is very easy. Thank you @Ramya.

Joy said:   2 years ago
Thanks for the explanation @Channakeshava.
(2)


Post your comments here:

Your comments will be displayed after verification.