Or search by topic
Look carefully at the sum below:
[3(230 + A)] 2 = 492 80A
What is the value of the digit A and HOW did you arrive at your answer?
A woman was born in a year that was a square number, lived a square number of years and died in a year that was also a square number. When was she born?
How many four digit square numbers are composed of even numerals? What four digit square numbers can be reversed and become the square of another number?
Square numbers can be represented as the sum of consecutive odd numbers. What is the sum of 1 + 3 + ..... + 149 + 151 + 153?