# Playing with Number

**Introduction .**

Number play very important role in our life .we cannot connect ourselvesto to the society without the knowledge and application of number .moreover , mathematical games,puzzle ,shortcuts etc.make mathematical enjoyable .

Here , i will tell how do solve the number problems with easy method and quickly .

** For Example. **

**In a 3-digit number , the hundreds Digit is twicethe tens digit while the unit digit is thrice the ten digit. Also the sum of its digirt is 18.find the number. **

**solution.**

let the 10 digit be x. Then, the hundreds digit = 2x and the 4 unit digit = 3x

** :: 2x + x + 3x = 18. **

** :: 6x = 18**

**:: x = 3**

:: Hundreds digit = (3 x 2 ) = 6,tens digit = 3. And unit digit.

(3 x 3 ) = 9.

**To know more this type of question then you visit my website mathteaser .here we tell any questions with simply and easy way to any questions in short time. **

**Thanks for connecting …….**