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Nova Math - Problem Set F: Number Theory
| Question Name | Average time to answer (seconds) | Total correct answers | Total incorrect answers |
|---|---|---|---|
| Which one of the following numbers is the greatest positive integer x such ... ... | |||
| If x, y, and z are consecutive integers in that order, which of the following ... ... | |||
| If −x − 2 = −|−(6 − |, then x = | |||
| If the sum of two prime numbers x and y is odd, then the product of x and ... ... | |||
| ... ... | |||
| A two-digit even number is such that reversing its digits creates an odd ... ... | |||
| Let a, b, and c be three integers, and let a be a perfect square. If a/b ... ... | |||
| If n > 2, then the sum, S, of the integers from 1 through n can be ... ... | |||
| If n is an odd number greater than 5 and a multiple of 5, then what is ... ... | |||
| Which one of the following could be the difference between two numbers ... ... |