Average SSC CHSL Questions

Average MCQ Questions

7.
The average monthly expenditure of a man is ₹2,400 during the first three months, ₹3,500 during the next five months and ₹4,800 for the remaining four months. If his total saving is ₹3,500 during the entire year, then what is his average monthly income (in ₹)?
SSC CHSL 2021-15.04.2021-2
A.
4550
B.
4100
C.
3700
D.
3950
ANSWER :
D. 3950
8.
The average of the squares of four consecutive even natural numbers is 126. The average of 8 times of the greatest number and 5 times of the smallest number is:
SSC CHSL 2021-15.04.2021-3
A.
66
B.
76
C.
68
D.
74
ANSWER :
B. 76
9.

The average weight of some studentsin a class was 69.5 kg. When 10 students of average weight 68 kg joined the class. and 6 students of average weight 60 kg left the class, it was noted that the average weight of the newgroup of students increased by 2 kg. How many students are there in the class now?
SSC CHSL 2021-16.04.2021-1
A.
19
B.
21
C.
23
D.
17
ANSWER :
B. 21
10.
The average weight of some students in a group is 58 kg. If 8 students of average weight 54 kg leave the group, and 3 students weighing 53.6 kg, 54 kg and 57.4 kg join the group, then the average weight of the remaining students in the group will increase by 575 g. The number of students, initially, in the group is:
SSC CHSL 2021-19.04.2021-1
A.
40
B.
45
C.
35
D.
50
ANSWER :
B. 45
11.
The average marks obtained by 150 students in a certain examination is 50. If the average marks of the passed students are 54 and that of the students who failed are 30, then what will be the number of the students who failed?
SSC CHSL 2021-19.04.2021-2
A.
25
B.
24
C.
20
D.
28
ANSWER :
A. 25
12.
The average of 5 numbers is 26.4. The first number is one-fifth of the sum of the remaining 4 numbers. What is the first number?
SSC CHSL 2021-19.04.2021-3
A.
20
B.
21
C.
23
D.
22
ANSWER :
D. 22