Aptitude Questions On Average

 

aptitude Questions

11. The average of the two-dight numbers, which remain the same when the digits interchange their positions, is:
(a) 33
(b) 44
(c) 55
(d) 66

12. The average of first 50 natural numbers is :

(a) 12.25
(b) 21.25
(c) 25
(d) 25.5

13. The mean of 12, 22, 32, 42, 52, 62, 72 is :

(a) 10
(b) 20
(c) 30
(d) 40

14. The average of all odd numbers upto 100 is :

(a) 49
(b) 49.5
(c) 50
(d) 51

15. If a, b, c, d, e are five consecutive odd numbers, their average is :

(a) 5 (a + 4)
(b) abcde / 5
(c) 5 (a +b +c +d +e)
(d) None of these
16. The average of a non- zero umber are its square is 5 times the number. The number is :

(a) 9
(b) 17
(c) 29
(d) 295

17. The average of five consecutive numbers is 20. The largest of these numbers is :

(a) 20
(b) 22
(c) 23
(d) 24

18. The average of five consecutive odd numbers is 61. What is the difference between the highest and lowest numbers?

(a) 2
(b) 5
(c) 8
(d) Cannot be determined
(e) None of these

19. The sum of three consecutive odd numbers id 38 more than the average of these numbers. What is the first of these numbers?
(a) 13
(b) 17
(c) 19
(d) Date inadequate
(e) None of these

20. The average are of the boys a in a class is 16 years and that of the girls is 15 years. The average age for the whole class is :
(a) 15 Years
(b) 15.5 years
(c) 16 years
(d) Cannot be computed with the given information

Speak Your Mind

*