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Standard VII
Mathematics
Estimation Using Percentages in Situations
Question
The weight of a sand bag is
40
k
g
. In a hurry it was weighted as
40.8
k
g
. The error percentage is:
0.5
%
1
%
1.5
%
2
%
A
1
%
B
2
%
C
1.5
%
D
0.5
%
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Solution
Verified by Toppr
Given, actual weight of a sand bag
=
40
kg, error in weight
=
40.8
kg
∴
percentage error
%
=
40.8
−
40
40
×
100
∴
Error
=
2
%
Hence, option
D
is the correct answer.
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