Saturday

April 19, 2014

April 19, 2014

Posted by **Sharlet** on Monday, September 13, 2010 at 6:07am.

- Maths -
**MathMate**, Monday, September 13, 2010 at 8:47amIf the digits are in strict descending order, then they must be [n+1]n[n-1], the sum of which is 12, i.e.

n+1 + n + n-1 = 12

Solve for n.

**Related Questions**

math - What mystery number has 8 digits; none of the digits are the same. It is ...

Math - Iam a 5digit number my tens digit is the sum of my hundreds digits and ...

4th grade math - Find the mystery number. It is a 4 digit odd number. All the ...

math - find the mystery number, it is a 4 digit odd number, all the digits are ...

Math - It is less than 300. The ones digit is 4 times the hundreds digit. The ...

Math - It is less than 300. The ones digit is 4 times the hundreds digit. The ...

math - Mrs. Rossi wrote the following clus for a mystery 4-digit number. .The ...

Math - What is the three digit mystery number? Clues: It is less than 300, the ...

Math - The mystery number's tens digit is less than the ones digit. The tens ...

math - use the clues to find the 7th digit mystery number. * Its is between 1 ...