The Brain Teaser: Scroll Down for your Solution
1. What is the four-digit number in which the first digit is one third the second, the third is the sum of the first and second, and the last is three times the second?
2. Using only two 2's and any combination of mathematical signs, symbols and functions can you make 5?
3. If today, is today, today. What will tomorrow be yesterday?
2. SQRT(.2 ^ -2) - Take .2 and raise it to the power of -2 and then take the square root.