Aptitude MCQ Quiz Hub

1. In a campus test the average marks of X and Y is 80. The average of X and Z is 85 and the average of X and Z is 90. Find Y marks.
76
75
87
78.9

2. Find the average of the first 50 whole numbers -
24
21.5
24.5
25.5

3. The average of 5 consecutive odd numbers is 25. Find the smallest of these numbers.
21
19
24
25

4. The average of first five odd numbers is -
10
7
5
6

5. The average of first five prime numbers is -
23/5
22/5
5-Nov
28/5

6. The average of X and 15 is 30, then X is -
43
45
55
35

7. find the average of all composite numbers between 1 and 15-
10
10.5
11
9

8. Find average of all prime number between 1 and 15
41/6
43/6
51/6
53/6

9. find the average of the first five multiple of 2 -
5
7
6
8

10. find average of the first ten multiple of 3
16
16.5
17
17.5

11. find the average of the first five multiple of 5-
25
5
20
15

12. Find the average of all even number between 1 and 21.
12
13
11
14

13. X score 96 in the first interval and 82 in the second interval. How much should he score in the third interval in order to get an average of 90 ?
98
92
90
96

14. In a match, India target is 180. After 12 overs, the run is 7.5. what is the required run for the remaining overs to achieve the target ?
13
11
11.5
11.25

15. The average age of our family of fur is 35. Excluding me, the average age is 40. find my age.
23
65
56
None of the above

16. Find the average of first six prime numbers.
6.833
15
7
34

17. The average of 4,6,32 is
16
10
14
None of the above

18. The average of 2-x, 8+x is -
6
8
5
Not exist

19. The average of 23+3x, 4-x, 57-2x is -
25
26
27
28

20. The average of 3x+4, 7-2x and 2x-11 is -
x
2x
x-4
2x-5

21. The average of a two digit number and the number obtained by interchanging the digit is 55. what is the sum of the two digits of the number ?
12
10
8
15

22. The average of 4,8,6,p and q is 6, find average of p+1 and q-3.
6
5
7
10

23. Average of 23,57,4, X and Y is 20, then the average of X and Y is ?
16
4
18
8

24. Average of 23,57,4, X and Y is 20, then the average of X,Y-4,8,16 is ?
9
10
8
12

25. Average of 23,57,4, X and Y is 20, then-
X+Y is 20
X+Y is 10
X+Y is 14
None of the above

26. Average of X and Y is 30 and the average of Y and Z is 20, find X-Z
15
30
45
20

27. if S be a set contain the elements 0,2,5,6,8,9. Which number should be removed from S, so that the average is remain same ?
0
5
6
Not possible

28. After his 15th inning, the average score of a batsman increases by 1. His previous Average was 80. find his score in the 15th inning.
80
95
85
89

29. If area of square is 64 unit, then the average of all four side of square is ?
8
16
64
32

30. If side of square is X and area of square is 256 unit, then the average of X,X and 16 is ?
15
32
16
18

31. Find the average of the terms in the series. 1-2+3-4+5.............+199-200
1
1.5
-1.5
-0.5

32. Mean of 3 number is 10 more than the least of the numbers and 15 less than greatest of 3. if the median of 3 number is 5, find the sum of the 3 numbers.
30
35
40
45

33. Of a set of 30 numbers, average of 1st 10 numbers is equal to average of last 20 numbers. The sum of last 20 numbers is
1
2
3
None of the above

34. The time taken by the phone operator to complete a call are 2,9,3,1,5 minutes respectively. what is the median time per call ?
5 min
4 min
3 min 10sec
3 min

35. The time taken by the phone operator to complete a call are 2,9,3,1,5 minutes respectively. what is the average time per call ?
4 min
4 min 30 sec
5 min
6 min

36. The selling price of two books is 400 and 500 and customer needs both books at the average price of both books, then in what price customer purchase the books ?
500
900
450
400

37. The selling price of two books is 400 and 500 and customer needs both books at the average price of both books, then in what price customer purchase the books if customer give 100 rupee more for books ?
550
500
450
600

38. The average height of two tower is 40 meter, if lowest tower is 10 meter short as compare to long tower then height of lowest tower is
45
35
60
data insufficient

39. The average height of two tower is 40 meter, if lowest tower is 10 meter short as compare to long tower then height of big tower is
45
35
40
data insufficient

40. The average height of two building is 40 meter, if small building is 10 meter short as compare to big building, then the addition of height of both the buildings is
90
60
70
80

41. The average of first nine prime numbers is
10
13
12
None of the above

42. The average of X and 3X is -
X
2X
4X
3X

43. The average of X and Y is -
lies outside the range
lies before the X
lies After the Y
lies between the X and Y

44. Average of n number is similar as
mean of n-1 number
sum of n number
sum of n number divided by n
product of n number

45. The average of X and Y is Z then -
Z=X-Y
X-Z=Y
X=Y
Z-X=Y-Z

46. Speed of arrow is 40 km/sec and air flow at 30 km/sec, the average of both the speed is -
35
45
30
20

47. If book1 have 100 pages and book2 have 200 pages, if we combine both books and then again separated half by half, then one book contain -
average of two book pages
150
Both of the above
None of the above

48. If book1 have 200 pages and book2 have 300 pages, if we combine both books and then again separated half by half, then one book contain -
250
200
300
350

49. Average of n same number is always-
the sum of n number
product of n number
number itself
None of the above

50. Average of 10 and 20 is -
average of 5 and 25
15
average of 1 and 29
All of the above