Two Digit Number More Than The Base


 
 
Concept Explanation
 

Square Of Two Digit Number More Than The Base Using Yavadunam Method

This method is used to find  square of a two digit number which is more than the base. This technique can be very helpful in saving the time in the various competitive exams where each second counts.

Find the square of 14.

Step 1 : Find the surplus in the number as compared to the base. For 14 the nearest base is 10 so the surplus will be 4

Add the surplus to the number

Result 1 = 14+ 4 = 18

Step 2: Now find the square of the surplus that is 4. Square of 4 is 16

Result 2 = 16

Step 3: The digits at the unit place of the Result 2 is the digit at unit place in the answer and the remaining are the carry.

Answer 6

Carry is 1

Step 4: The Carry is added to Result 1.  The Resultant Number is Leftmost Block of the Answer

Resultant Number = 18 + 1= 19

Answer : 196

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