# Practice Questions on AveragesAptitude Questions and Answers

## Difficult Averages Question - 1

 Q1. $40\%$ of the employees in a factory are workers. All the remaining employees are executives. The annual income of each worker is Rs. 390. The annual income of each executive is Rs. 420. What is the average annual income of all the employees in the factory together?
 A. 390 B. 405 C. 408 D. 415

## Difficult Averages Question - 2

 Q2. The average price of 10 books is Rs.12 while the average price of 8 of these books is Rs.11.75. Of the remaining two books, if the price of one book is $60\%$ more than the price of the other, what is the price of each of these two books?
 A. Rs. 5, Rs.8 B. Rs. 8, Rs. 12.8 C. Rs. 10, Rs. 16 D. Rs. 12, Rs. 19.2

## Difficult Averages Question - 3

 Q3. In a set of three numbers, the average of first two numbers is 2, the average of the last two numbers is 3, and the average of the first and the last numbers is 4. What is the average of three numbers?
 A. 2 B. 2.5 C. 3 D. 3.5

## Difficult Averages Question - 4

 Q4. Of the three numbers, the first is twice the second and the second is twice the third. The average of the reciprocal of the numbers is (dfrac{7}{72}) .The numbers are:
 A. 16, 8, 4 B. 20, 10, 5 C. 24, 12, 6 D. 36, 18, 9

## Difficult Averages Question - 5

 Q5. The average monthly salary of 12 workers and 3 managers in a factory was Rs. 600. When one of the manager whose salary was Rs. 720, was replaced with a new manager, then the average salary of the team went down to 580. What is the salary of the new manager?
 A. 570 B. 420 C. 690 D. 640
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