A number is thrift if it is a multiple of 2 or 3. How many thrift numbers are there between -15 and 15?
Correct answer C. 19
Tip: press A, B, C or D to answer, and N for the next question.
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See allHow many of the numbers in the following list are NOT even numbers? 0.32 140/5 0.4444 0.34 -2.6 2/8?36 36/12 etc
Correct answer E. 5
If a < b and b < c then which of the following must be true?
Correct answer D. A+b<2c
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If (x+1) times (2x+1) is an odd integer then x must be?
Correct answer A. an odd integer
If xz>0 which is the greatest?
Correct answer C. z/x
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