Tutorial 20 Find square of a number between 50 and 60 find square of a number between 50 and 60 for example...... 562 = 3136 572 = 3249 582 = 3364 there is a 2 steps trick to get the ans 1) add the digit at the units place to 25 and write the sum 2) then calculate the square of units place digit and write it eg in case of 562 we have 25+6=31 and square of 6 is 36 hence the result is 3136