Phone Number Trick

1. Get a calculator. (You won't be able to do this one in your head)2. Key in the first three digits of your phone number (NOT the area code)3. Multiply by 804. Add 15. Multiply by 2506. Add the last 4 digits of your phone number7. Add the last 4 digits of your phone number again.8. Subtract 2509. Divide number by 2Do you recognize the answer?Explanation:Let x= 1st three digits

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PERCENTAGE CALCULATION

Calculate 65% of 460:50% of 460 = 23010% of 460 = 465% of 460 = 23 (half 46)------------------------------65% of 460 = 299 (sum)EXAMPLE.Calculate 67.5% of 460:50% of 460 = 23010% of 460 = 465% of 460 = 23 (half 46)2.5% of 460 =11.5 (half 23)------------------------------67.5% of 460 = 310.5 (sum ) < Comment down if it's Helpful

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MULTIPLICATION OF 11 WITH ANY NUMBER OF 3 DIGITS.

Let me explain this rule by taking examples1. 352*11 = 3---(3+5)---(5+2)---2 = 3872 Means insert the sum of first and second digits, then sum of second and third digits between the two terminal digits of the number2. 213*11 = 2---(2+1)---(1+3)---3 = 2343EXAMPLE-:Here an extra case arisesConsider the following examples for that1) 329*11 = 3--- (3+2) +1--- (2+9-10) ---9 = 3619 Means, if sum of two digits of the number is

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A History of Android, From Cupcake to Marshmallow..

A History of Android, From Cupcake to Marshmallow.. Android was born on November 5, 2007. Since then, it’s grown up to be one of the most dominant operating systems in the world. But that didn’t just happen overnight. Like all of us, Android went through some awkward years and learned some hard lessons before becoming the OS it is today.Here’s a retrospective showing how we got to where we are.

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