Nova Math - Problem Set A: Substitution
Question Name Average time to answer (seconds) Total correct answers Total incorrect answers
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If 0 < k < 1, then which of the following must be less than k?
Suppose you begin reading a book on page h and end on page k. If you read ... ...
If m is an even integer, then which of the following is the sum of the ... ...
If x and y are perfect squares, then which of the following is not necessarily ... ...
If y is an even integer and x is an odd integer, which of the following ... ...
If x2 is even, which of the following must be true?   I. x is ... ...
Suppose x is divisible by 8 but not by 3. Then which of the following CANNOT ... ...
If p and q are positive integers, how many integers are larger than pq ... ...
If x and y are prime numbers, then which one of the following cannot equal ... ...
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