What is the positive three-digit integer that is four times the...

If you add a ten thousands digit that is 2 times the ones digit to the number 2,794, what is the new...

What is the sum of all two digit positive integers whose squares end with the digits 01?

The value of a certain two-digit number is eight times he sum of its digits. if the digits of the nu...

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Let S(n) denote the sum of digits of the integer n. Over all positive integers, the minimum and maxi...

What are the possible four digit numbers between 8.6 and 8.7

8. How many different four digit numbers can be made from the digits 3,8,6, and 9 if each digit appe...

Sum of all possible three digit numbers using the digit 3 and 4

If n x p = 161, n is a two-digit number & p is a one-digit number. What numbers do n & p represent?

In m x n = 225, m is a two digit number, and n is a 1 digit. What do m & n represent? List all possi...

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