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Standard VII
Mathematics
Arithmetic Mean and Range
Question
If the mean of
8
,
12
,
21
,
42
,
x
is
20
find the value of
x
.
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Solution
Verified by Toppr
Given
Mean of
8
,
12
,
21
,
42
,
x
is
20
⟹
8
+
12
+
21
+
42
+
x
5
=
20
⟹
x
+
83
=
100
⟹
x
=
17
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Similar Questions
Q1
If the mean of
8
,
12
,
21
,
42
,
x
is
20
find the value of
x
.
View Solution
Q2
Find the mean of
8
,
12
,
21
,
42
,
x
the value of
x
View Solution
Q3
Find the value of p, if the mean of the following distribution is 20.
x:
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17
19
20+p
23
f:
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4
5p
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