Unit's Place '5' Square Trick

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ssparikshyaFormer SMOD
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25-06-2012, 04:20 PM #1
Friends, today i gonna show you a trick by which you can find the sqaure of a number with 5 in unit's place in 10 to 15 secs
now lets get started ......


Example Number- 105

1] find the sqaure of 5; which is 25

now you got last 2 digits of your answer..

2] then add one to the no. formed by rest digits ; in this case 10 +1 = 11


3] then mutiply the result of the addition by the no . formed by rest digits; in this case 10 x 11 = 110

now you got you missing digits in answer

so, the answer is 11025 Smile


Source: My Expirment
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Anna UniversityV.I.P Team
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25-06-2012, 04:46 PM #2
Cool .. Superb... Hats off... +2 Repute Added...!!
For the student , by the student , to the student !!
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SriniV+ Team Administator
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25-06-2012, 04:52 PM #3
Let Me Test : I will Take 1005

Step 1 : 5 * 5 = 25


Step 2 : 100 + 1 = 101

Step 3 : 101 * 100 = 10100

Ans : 1010025

Cool ,. working with 4 digits also, .. Me too added +2 repute.. Clap
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    Unit's Place '5' Square Trick