Quantitative Aptitude Average Questions 4

Quantitative Aptitude – Average Questions – 02

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1. The average age of a committee of eight members is 40 years. A members aged 55 years retired and his place was taken by another member aged 39 years. The average age of the present committee is :

 
 
 
 

2. A team of 8 persons joins in a shooting competition. The best marksman scored 85 points. If he had scored 92 points, the average score for the team would have been 84. The number of points, the team scored, was :

 
 
 
 

3. The average weight of 3 men A, B and C is 84 kg. Another man D joins the group and the average now becomes 80 kg. If another man E, whose weight is 3 kg more than that of D, replaces A then the average weight of B, C, D and E becomes 79 kg. The weight of A is :

 
 
 
 

4. A cricketer has a certain average for 9 innings. In the tenth inning, he scores 100 runs, thereby increasing his average by 8 runs. His new average is :

 
 
 
 

5. A man whose bowling average is 12.4, takes 5 wickets for 26 runs and thereby decreases his average by 0.4. The number of wickets, taken by him before his last match is :

 
 
 
 

6. The average weight of 9 mangoes increases by 20 g if one of them weighing 120 g is replaced by another. The weight of the new mango is :

 
 
 
 

7. The average of 5 consecutive numbers is n. If the next two numbers are also included, the average will :

 
 
 
 

8. Three years ago, the average age of A, B and C was 27 years and that of B and C, 5 years ago was 20 years. A’s present age is :

 
 
 
 

9. The average weight of 6 men decreases by 3 kg when one of them weighing 80 kg is repalced by a new man is :

 
 
 
 

10. The mean temperature of Monday to Wednesday was 37°C and of Tuesday to Thursday was 34°C. If the temperature on Thursday was 4 / 5th that of Monday, the tempearture on Thursday was :

 
 
 
 

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