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Byju's Answer
Standard VIII
Mathematics
Mean for an Ungrouped Data
If 37a = 37b ...
Question
If 37a = 37b = 5661, what is the average of a and b?
A
74.5
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B
151
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C
76.5
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D
153
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Solution
The correct option is
D
153
Given: 37a = 37b = 5661
∴
a
=
b
=
5661
37
=
153
So, average of a and b
153
+
153
2
=
153
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In Fig. 66, if AF || DE, then x =
(a) 37
(b) 57
(c) 47
(d) 67