Square of numbers between 50 and 60 - An easiest way!

To find the square of numbers between 50 and 60 there is an easier method. Here, RHS part of the answer will be the square of the digit in the units place. To get the LHS part., add 25 to the digit in the units place.

Eg. 1 54 2
5 4 2 RHS = 4 2 ( Because 4 is in the units place) =16
________ LHS = 25 + 4 = 29 ( add 25 to the digit in the units place i.e.4)
29 / 16
LHS RHS 54 2 = 2916

Eg. 2 562
5 62 RHS: 6 2 = 36 (6 is in the units place)
_________ LHS: 25 + 6 = 31 ( add 25 to 6in the units place)
31 / 36
LHS RHS 562 = 3136

Eg. 3 52 2
5 2 2 RHS: 2 2 = 4 ( But one zero to be prefixed ) = 04
________ LHS: 25 + 2 = 27
27 / 04
LHS RHS 52 2 = 2704