Average SSC CGL Questions

Average MCQ Questions

7.
The average of 15 numbers is 30, while the average of 13 of these numbers is 32. If the remaining two numbers are equal, then what is each of the two numbers?
SSC CGL 2021-12.04.2022-3
A.
34
B.
31
C.
17
D.
16
ANSWER :
C. 17
8.
The average of five numbers is 30. If one number is excluded, the average becomes 31. What is the excluded number?
SSC CGL 2021-13.04.2022-1
A.
26
B.
24
C.
31
D.
30
ANSWER :
A. 26
9.
The average of sixteen numbers is 48. The average of the first six of these numbers is 45 and that of the last seven numbers is 53. The seventh and the eighth numbers are, respectively, 3 and 7 greater than the ninth number. What is the average of the ninth and seventh numbers?
SSC CGL 2021-13.04.2022-2
A.
41.5
B.
40.5
C.
42
D.
39
ANSWER :
B. 40.5
10.
The average of 46 numbers is 50.5. The average of the first 25 numbers is 45 and that of the last 18 numbers is 56. The 28th number is 67. If the 26th and 27th numbers are excluded, then what is the average of the remaining aumbers?
SSC CGL 2021-13.04.2022-3
A.
51.5
B.
50.4
C.
50
D.
51
ANSWER :
C. 50
11.
Sayam drives his car 30 km at a speed of 45 km/h and, for the next 1 h 20 min, he drives it at a speed of 51 km/h. Find his average speed (in km/h) for the entire journey.
SSC CGL 2021-18.04.2022-1
A.
49
B.
48
C.
48.5
D.
47
ANSWER :
A. 49
12.
The average of eight consecutive odd numbers is 28. The sum of the smallest and the largest number is:
SSC CGL 2021-18.04.2022-2
A.
45
B.
52
C.
48
D.
56
ANSWER :
D. 56