Tag: math & puzzles
Questions Related to math & puzzles
The sum of the square of a negative integer and itself is zero. Find that number!
The product of a positive integer and the integer that succeeds it is twelve. Find that number!
The digit in the units place of a two-digit number exceeds that in the tens place by one. If the number is equal to four times the sum of its digits, find that number!
A number added to twice itself gives twenty-one. Find that number!
The fourth power of a positive integer is equal to four times its square. Find that number!
What is the formula for the area of a circle?