IQ Quiz 65

IQ Quiz Questions and Answers.

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1. If n/7 + n/5 = 12/35, what is the numerical value of n?

 
 
 
 

2. z + 2/z = 2z; sqr(z) = (?)

 
 
 
 

3. 17xy = 22xy-5, sqr(xy) = ?

 
 
 
 

4. 5x – 3y = 3, 2x – 4y = -10, 3x + y = (?)

 
 
 
 

5. If 1/x = a/b, then x equals the

 
 
 
 

6. z + (1/z) = 2; z = ?

 
 
 
 

7. 2x – 4y = -10, 5x – 3y = -3, 3x + 7 = (?)

 
 
 
 

8. 4x – x = 10, 3x = 2y , xy = ?

 
 
 
 

9. 3x + 10 = 9x – 20, sqr(x+5) = (?)

 
 
 
 

10. Sqr(x) + y = 9, sqr(x) – y = -1 then y = ?

 
 
 
 

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