# What mathematical symbol can we place between 2 and 3 to make a number greater than 2 and less than 3?

72 views
What mathematical symbol can we place between 2 and 3 to make a number greater than 2 and less than 3?
posted May 5

2lan(3) = 2.1972 [ lan is short for natural logarithm or log to the base e where e=2.71828...]

Place a decimal between 2 & 3. It will become 2.3
Thus 2 < 2.3 < 3
Hence, a "decimal" is the answer.

Similar Puzzles

How many ways can we arrange the numbers 1 through 9 in a 3x3 grid such that the following conditions hold?
- Every number is greater than the number directly above it.
- Every number is greater than the number immediately to the left of it.

Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

+1 vote

We have arranged an array of numbers below. What you have to do is use any kind of mathematical symbol you know excluding any symbol that contains a number like cube root. You can use any amount of symbols but you have to come up with a valid equation for all of them.
0 0 0 = 6
1 1 1 = 6
2 + 2 + 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6