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Standard XII
Mathematics
Question
The mean of
15
observations is
32
. Find the resulting mean. if each observation is increased by
60
%
51.2
None of these
61.2
50.2
A
61.2
B
None of these
C
51.2
D
50.2
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Solution
Verified by Toppr
⇒
Mean of the data
=
32
⇒
If every observation is increased by
60
%
then mean also increases by
60
%
⇒
The required mean
=
60
100
×
32
+
32
=
19.2
+
32
=
51.2
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