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
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How 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
If x>y>z which cannot be true?
Correct answer D. z >xy
If a>1 and ab-4=4-b then b =? If a is an integer?
Correct answer A. 4
If xz which must be true?
Correct answer B. y-x < z
Let = 5x+2 for all +ve integers. If =12 then x =?
Correct answer A. 2
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For any number w let #w# be defined by the equation #w# = - what is the value of #-1#?
Correct answer C. 2
David has two electronic beepers one of them beeps every 5 seconds the other beeps every 11 seconds. If they are turned on at exactly the same time how many times during the next hour will both beepers beep at the same time?
Correct answer D. 65
Find an integer that has a remainder of 2 when it is divided by 3 4 5 6 and 7?
Correct answer B. 423
If x and y are positive integers and (17x)y=1717 what is the average of x and y?
Correct answer C. 9
If a*b represents the number of integers greater than a and less than b what is value of -2? * 3?2?
Correct answer C. 11
If x = 8×7532 y=8×6532 what is the value of x-y?
Correct answer A. 8000
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What is the smalles number that is divisible by both 45 and 65?
Correct answer D. 585
How many positive integers less than 220 have remainder of 3 when divided by 9?
Correct answer A. 16
If the sum of three consecutive integers is less than 120 what is the greatest possible value of the smallest of the three integers?
Correct answer B. 38
What is the difference of the product and the quotient of 8 and 8?
Correct answer C. 63
If m n and o are consecutive whole numbers that total 15 what is the largest of the three numbers?
Correct answer C. 6