## Tags » Arithmetic Progression

#### Divisible by 11 or 13 or Both

What is the sum of the integers between and that are divisible by or (or both)?
Source: NCTM Mathematics Teacher, February 2008

Solution
integers divisible by are and integers divisible by are . 64 more words

Problem Solving

#### Consecutive Remainders

What is the smallest positive integer that when divided by , and leaves the remainders , and , respectively?
Source: NCTM Mathematics Teacher, August 2006… 84 more words

Problem Solving

#### Miscellaneous Problems - Set 1

1) A window is made up of a square portion and an equilateral triangle portion above it. The base of the triangular portion coincides with the upper side of the square. 790 more words

#### Vandermonde Submatrices and Arithmetic Progressions

Currently, we are asking whether all submatrices of the order- Vandermonde matrix over a finite extension of are invertible where is prime. The answer is “no” in general: there are examples of fields where the Vandermonde matrix has a singular submatrix. 863 more words

Computer Science