Quantitative Aptitude Test 63

Quantitative Aptitude – Test-16

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1. If A, B, C are three sets and if
|A È B È C| = 100, |A| = 60, |B| = 50,
|C| = 50, |A Ç B| = 10, |B Ç C| = 15,
|C Ç A| = 50, then |A Ç B Ç C| is equal to:

 
 
 
 

2. If the equation Ö(2x2 + 7x + 15) + Ö(2x2 + 7x – 6) = 7, is satisfied by values x1, x2 of x, then the value of x1.x2 is equal to:

 
 
 
 

3. If 312 . (2x)2 = 612 . then the value of x is equal to:

 
 
 
 

4. Which of the following numbers is exactly divisible by all prime numbers between 1 and 17 ?

 
 
 
 

5. If ax . b = by. c = cz . a = 1, then (xyz)3 is equal to:

 
 
 
 

6. If a, b and g are the roots of the cubic equation (x – 1) (x2 + x + 3) = 0, then the value of (a3 + b3 + g3 is equal to:

 
 
 
 

7. In an examination 70% students passed both in Mathematics and Physics, 85% passed in Mathematics and 80% passed in Physics. If 30 students have failed in both the subjects, then the total number of students who appeared in the examination is equal to:

 
 
 
 

8. When a certain number is multiplied by 13, the product consists entirely of, fives. The smallest such number is :

 
 
 
 

9. A four digit number divisible by 7 becomes divisible by 3, when 10 is added to it The largest such number is :

 
 
 
 

10. What number should replace both the asterisks in (*/21 x */181)=1 ?

 
 
 
 

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