In the square of an integer a, the tens’ digit is 7. What is the unit’s digit of a^2 ?

Question

goformit100 · Answer

@ajprincess Princess Com And Help Me.... jk

anonymous · Answer

576 square of 24
676 square of 26..

Last digit is 6..

But not sure whether it will be true always when 7 is at ten's place..

anonymous · Answer

For first 40 squares, there are only 2 in the list those I have listed above..

ajprincess · Answer

Well are there any algorithm to find this @waterineyes

anonymous · Answer

If I know that I have posted it already..

Ha ha ha..
Just kidding, I don't know but there should be..

ajprincess · Answer

lol that's k.  bt for what is that medal?

anonymous · Answer

Just for Friendship.. :)

goformit100 · Answer

oops ...... Thank you PRINCESS

ajprincess · Answer

lol @goformit100. u r welcome:) bt it was @waterineyes who helped u. nd thanx @waterineyes

anonymous · Answer

It is okay @ajprincess ..

goformit100 · Answer

Thank you Sir @waterineyes

anonymous · Answer

Hey she is princess I know but you can call me your Friend not Sir..

goformit100 · Answer

HELP me n next question.