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Find the square of a no. with its last digits 5? 1. Choose a no. with last digits 5 say 1225. 2.multiply the no. excluding 5(i.e. 122 in this case)by no.+1 (i.e. 123 here) so 122x123=15006. 3.write multiplied answer and write 25 nxt to it (1500625). Here you go.. this is ur answer..!!!!!

Find the square of a no. with its last  digits 5?


1. Choose a no. with last  digits 5 say 1225.


2.multiply the no. excluding 5(i.e. 122 in this case)by no.+1 (i.e. 123 here) so 122x123=15006.


3.write multiplied answer and write 25 nxt to it (1500625).


Here you go..
this is ur answer..!!!!!

Grade:12th Pass

1 Answers

Pankaj
askIITians Faculty 131 Points
6 years ago
Dear Student,

Thank you for sharing this trick with us on our forum and sharing it with the public at large. Please keep on sharing these tricks with us so that your knowledge can be spread worlwide as this forum is being server all over the wolrd for free.

Thanks
askIITians Forum Team

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