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Old 11-01-2013, 04:02 PM   #19
bindujain
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Default Re: आओ कर लें गणित से दोस्ती

Maths Tricks with Numbers


Quick Square

Step1: If you need to square a 2 digit number ending in 5, you can do so very easily with this trick.
Step2: Mulitply the first digit by itself + 1, and put 25 on the end.
Step3:That is all!
Step4: Ex:square 35 ie(3*(3+1))&25

Answer:1225
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