Square of a number ending with 5

We can always find the square of a number. But here is a simple method to find the square of a two-digit number ending with 5.
Step 1: Take the first digit, multiply by itself plus one.

Step 2: Then put “25” after your result from Step 1.
Example1:To find 55², compute 5 × 6 = 30. The answer is 30 25 ==> 3025

Example 2: To find 25², compute 2 x 3 = 6. The answer is 6 25 ==> 625

Example 3: To find 105², compute 10 x 11 =110. The answer is 110 25 ==> 11025

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