MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Quantitative Aptitude

Permutation

Find the unit...

Question

Find the unit digit of $71^{72}$ .

Open in App

Solution

Unit digit of $(10 x + 1)^{n}$ is always 1.

Suggest Corrections

thumbs-up

7

Similar questions

F i n d t h e u n i t d i g i t o f 123^{456} A n s .

______________.

Q. Find the unit digit of

3^{200} \times 4^{500}

?

Q. Find the unit digit of

(7^{95} - 3^{58})

.

Q. Unit digit of a two digit number is three times its tens digit. If the unit digit is 6. Find the number.

Q. For each of the following, find the least number that must be added so that the resulting number is a perfect square. 7172

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Permutation

QUANTITATIVE APTITUDE

Watch in App

explore_more_icon

Explore more

Other Quantitative Aptitude

Join BYJU'S Learning Program

CrossIcon