You can use this shortcut method to multiply any two digit number by 11 in a single line without using the conventional method where you have to first multiply in two lines and then add in the third line.

**Example**:- 58 x11

In this method you get the answer as below:-

**1**. In the above example simply insert the total of the two digits in between the digits of the original number [5 (5+8) 8]

**2**. You Get [5 13 8]

**3**. Carry over 1 and add it to 5 to get your answer [6 3 8]

**Your answer is 638**.

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