Example 1 :** 85*85** = **7225**

Step 1 : Last 2 digits of the result will always be = **25**

Step 2 : First 2 digits will be * 8*9 = 72* (i.e. multiply the first digit with immediate

**higher number**)

Step 3 : **7225** (It’s the final answer)

**Please try : **

**55 * 55**

**35 * 35**