What are the two positive integers whose sum is 200 and whose p...

When the first n positive integers are added together, their sum is given by 1/2n(n+1) Find the...

How many positive 3-digit integers contain only odd digits?

The product of 2 positive integers is 1000. What is the smallest possible sum of these 2 integers?

For how many odd positive integers n<1000 does the number of positive divisors of n divide n?

How many 4 digit positive integers have the ones digit a multiple of 1, the tens digit a multiple of...

How many ordered positive integer triples (x,y,z), such that 1 ≤ x,y,z ≤ 25, are there to √x+√y=√z?

When p is an odd positive integer, then the graph of the power function f(x)=x^p is similar to the g...

How many 2-digit positive integers have no odd digits? I got 20 because since 10s, 30s, 50s, 70s, a...

Any set of three positive integers that satisfies the equation a2+b2=c2 is called a Pythagorean Tr...

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