Let S(N) denote the digit sum of the integer N. As N ranges ove...

Let π denote the proportion of grocery store customers that use the store's club card. For a large s...

For i; j 2 N let (i; j) denote the ordered pair in the cartesian product N N and fi; jg N the s...

Let S(N) denote the digit sum of the integer N. Let M denote the maximum value of N/S(N), where N is...

Let [ x ] denote the greatest integer less than or equal to x. For example, [ 3.4 ] = 3 and [ -1 ]...

Let s(N) denote the sum of the digits of N. Find the sum of all two-digit numbers N for which s(N^2)...

What is the unit used to denote energy? a Newton b Joule c Coulomb d Watt

Given $m\geq 2$ denote by $b^{-1}$ the inverse of $b\pmod{m}$. That is, $b^{-1}$ is the residue for...

Let P(n) and S(n) denote the product ad the sum, respectively, of the digits of the integer n. For e...

Denote

Why is it so easy to denote the tense mood of Pope Leo X with Cardinals?

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