IQ Quiz 18

IQ Quiz Questions and Answers.

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1. If the second day of the month is a Friday, then the twelfth day of the month is a Tuesday.

 
 

2. If sqr(x) + 2x – 8 = 0, then x is either –4 or

 
 
 
 

3. Given that x and y are real numbers, let S(x,y) = x times x – y times y, then S(3, S(3,4)) = ?

 
 
 
 

4. If two items cost $C, how many items can be purchased for $X?

 
 
 
 

5. The total weight of three children is 152 pounds and 4 ounces. The average weight is 50 pounds and

 
 
 
 

6. If 17xy + 7 = 19xy, then 4xy =

 
 
 
 

7. To cross a ferry the total cost is 50 cents for the car and driver and c cents for each additional passenger in the car. The total cost for a car with n persons in the automobile is

 
 
 
 

8. 30 prizes were distributed to 5 % of the original entrants in a contest. Assuming one prize per person, the number of entrants in this contest was

 
 
 
 

9. If n and p are both odd numbers, which of the following numbers must be an even number?

 
 
 
 

10. The average of two numbers is XY. If one number is equal to X, the other number is equal to

 
 
 
 

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