APTITUDE QUIZ

1. A family consists of two grandparents, two parents and three grandchildren. The average age of the grandparents is 67 years, that of the parents is 35 years and that of the grandchildren is 6 years. What is the average age of the family?

A. 28 4/7

B. 31 5/7

C. 32 1/7

D. None of these

2. A grocer has a sales of Euro 6435, Euro 6927, Euro 6855, Euro 7230 and Euro 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Euro 6500?

A. Euro 4991

B. Euro 5991

C. Euro 6001

D. Euro 6991

3. 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

E. None of these

4. The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average age of the team?

A. 23 years

B. 24 years

C. 25 years

D. None of these

5. The average monthly income of P and Q is Dollar 5050. The average monthly income of Q and R is Dollar 6250 and the average monthly income of P and R is Dollar 5200. The monthly income of P is:

A. Dollar 3500

B. Dollar 4000

C. Dollar 4050

D. Dollar 5000

6. The average age of husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. The present age of the husband is:

A. 35 years

B. 40 years

C. 50 years

D. None of these

7. In Jessica’s opinion, her weight is greater than 65 kg but less than 72 kg. Her brother does not agree with Jessica and he thinks that Jessica’s weight is greater than 60 kg but less than 70 kg. Her mother’s view is that her weight cannot be greater than 68 kg. If all are them are correct in their estimation, what is the average of different probable weights of Jessica?

A. 67 kg.

B. 68 kg.

C. 69 kg.

D. Data inadequate

E. None of these

8. The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is:

A. 17 kg

B. 20 kg

C. 26 kg

D. 31 kg

9. The average weight of 16 boys in a class is 50.25 kg and that of the remaining 8 boys is 45.15 kg. Find the average weights of all the boys in the class.

A. 47.55 kg

B. 48 kg

C. 48.55 kg

D. 49.25 kg

10. 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

11. If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is:

A. 53.33

B. 54.68

C. 55

D. None of these

12. A pupil’s marks were wrongly entered as 83 instead of 63. Due to that the average marks for the class got increased by half (1/2). The number of pupils in the class is:

A. 10

B. 20

C. 40

D. 73

13. You have an investment proposition in front of you where you would invest 150 dollars in a project and after 2 years you can sell the investment. You would earn 5% paid annually. How much would you have at the end of year 2?

A. 171.3

B. 165.4

C. 155.1

D. 199.4

14. You have an investment proposition in front of you where you would invest 150 dollars in a project and after 2 years you can sell the investment. You would earn 5% paid annually. How much would you have at the end of year 2?

A. 171.3

B. 165.4

C. 155.1

D. 199.4

15. You have an investment proposition in front of you where you would invest 1000 dollars in a project and after 4 years you can sell the investment. You would earn 4% paid annually. How much would you have at the end of year 4?

A. 1169.86

B. 1669.86

C. 1044.2

D. 1512.3

16. You have an loan proposition in front of you where you would borrow 100 000 dollars for a boat and after 2 years you can pay back the loan and not earlier. You would pay 3% paid annually. How much would you owe at the end of year 2?

A. 105030

B. 109000

C. 106000

D. 106090

17. In the above investment things have changed as the interest rate is expected to change in year 2. In year 1 you still earn the same 5% but in year 2 the interest is now 7%. What is the compounded interest you would earn now?

A. 11235

B. 9368

C. 1100

D. 1235

18. The investment provider is going all out! He is offering you monthly compounded interest payments. What would your principal plus interest be at the end of year 10 now?

A. 41995

B. 41175

C. 39655

D. 55635

19. The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average age of the team?

A. 23 years

B. 24 years

C. 25 years

D. None of these

20. The average age of husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. The present age of the husband is:

A. 35 years

B. 40 years

C. 50 years

D. None of these

ANSWERS

1. B

2. A

3. C

4. A

5. B

6. B

7. A

8. D

9. C

10. D

11. B

12. C

13. B

14. B

15. A

16. D

17. D

18. B

19. A

20. B