Average Aptitude MCQ Practice Test - Set 01

Practice Test: Question Set - 01

1. There were 35 students in a hostel. If the number of students increased by 7, the expenses of the mess were increased by Rs. 42 per day, while the average expenditure per head diminished by Rs. 1. The original expenditure of the mess was:
    (A) 8
    (B) 10
    (C) 12
    (D) 14

2. The average age of 50 soldiers in troop is 25 years. If the captain's age is included, the average age of all of them still remains the same. What is the captain's age in years?
    (A) 25
    (B) More than 25
    (C) Less than 25
    (D) Cannot be determined

3. A library has an average of 510 visitors on Sundays and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is:
    (A) 250
    (B) 276
    (C) 280
    (D) 285

4. The average age of the husband and wife who were married 7 years ago was 25 years then. The average age of the family including the husband, wife and the child born during the interval is 22 years, now. How old is the child now?
    (A) 2 years
    (B) 3.5 years
    (C) 1 year
    (D) 4 years

5. The average age of a husband and a wife who were married four years ago was 20 years then. What will be the average age of the family now if they have a three years old child?
    (A) 15 2/3 years
    (B) 16 1/3 years
    (C) 17 years
    (D) 16 years

6. The average age of 24 boys and the teacher is 15 years. When the teacher’s is excluded, the average decreases by 1. What is the age of the teacher?
    (A) 38 years
    (B) 39 years
    (C) 40 years
    (D) 36 years

7. The average age of students in two classes of 40 students each is 10 years and 8 years respectively. The average age of students in both the classes taken together is:
    (A) 8 years
    (B) 9 years
    (C) 10 years
    (D) 11 years

8. The sum of two consecutive even numbers is 23 more than the average of these two numbers. What is the second number?
    (A) 22
    (B) 24
    (C) 26
    (D) Data inadequate

9. The average salary per month of 30 employees in a pvt. company is Rs. 4000. If the manager’s salary is added, the average salary increases to Rs. 4300. What is the salary of the manager?
    (A) 13,500
    (B) 12,500
    (C) 12,300
    (D) 13,300

10. Two towns A and B are some distance apart. A girl cycles from A to B at a speed of 10 km/hr and then back from B to A at the rate of 15 km/ hr. The average speed during the journey is:
    (A) 12.5 km/hr
    (B) 15 km/hr
    (C) 12 km/hr
    (D) 13.5 km/hr

11. After replacing an old member by a new member, it was found that the average age of 5 members of a club is the same as it was 3 years ago. What is the difference between the ages of the replaced and the new member?
    (A) 15 years
    (B) 8 years
    (C) 4 years
    (D) 2 years

12. A batsman has certain average runs for 20 innings. In the 21st inning, he served 107 runs thereby increasing his average by 2. What is his average after 21 innings?
    (A) 67
    (B) 65
    (C) 60
    (D) 72

13. If the average of 9 consecutive numbers is 20, the highest of these numbers is:
    (A) 20
    (B) 21
    (C) 24
    (D) 26

14. The average weight of 8 person's increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person?
    (A) 76 kg
    (B) 76.5 kg
    (C) 85 kg
    (D) Data inadequate

15. The average salary of workers in an industry is Rs. 2000, the average salary of 150 technicians being Rs. 4000, and the non-technicians being Rs. 1,250. The total number of workers is?
    (A) 450
    (B) 300
    (C) 550
    (D) 500

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Item Reviewed: Average Aptitude MCQ Practice Test - Set 01 Rating: 5 Reviewed By: Pranab Debnath
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