Average (P6)
Detailed Explanation & Practice Questions
Concept Explanation
Average (or mean) is the sum of all data values divided by the number of values. A key formula is Total = Average x Number of Items. Problems often involve changes in average when new items are added.
Practice Questions
10 Questions
Q1
Find the average of 20 and 26.
A.
24.0
B.
23.0
C.
46
D.
22.0
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Q2
Find the average of 13 and 23.
A.
18.0
B.
36
C.
19.0
D.
17.0
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Q3
Find the average of 14 and 22.
A.
18.0
B.
19.0
C.
17.0
D.
36
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Q4
Find the average of 15 and 23.
A.
18.0
B.
20.0
C.
19.0
D.
38
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Q5
Find the average of 11 and 22.
A.
15.5
B.
33
C.
16.5
D.
17.5
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Q6
Find the average of 12 and 26.
A.
18.0
B.
19.0
C.
20.0
D.
38
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Q7
Find the average of 18 and 26.
A.
23.0
B.
44
C.
22.0
D.
21.0
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Q8
Find the average of 11 and 26.
A.
18.5
B.
37
C.
17.5
D.
19.5
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Q9
Find the average of 15 and 26.
A.
41
B.
20.5
C.
21.5
D.
19.5
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Q10
Find the average of 14 and 27.
A.
19.5
B.
21.5
C.
20.5
D.
41
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