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Standard VII
Mathematics
Question
Pankaj expected to earn
425
i
n
a
w
e
e
k
.
I
n
f
a
c
t
h
e
e
a
r
n
e
d
500.
What was the percentage error?
11.5
%
25
%
15
%
None of these
A
15
%
B
None of these
C
25
%
D
11.5
%
Open in App
Solution
Verified by Toppr
⇒
Here, Approximate value is
$
425
.
⇒
Exact value is
$
500
.
⇒
%
E
r
r
o
r
=
|
A
p
p
r
o
x
i
m
a
t
e
v
a
l
u
e
−
E
x
a
c
t
v
a
l
u
e
|
|
E
x
a
c
t
v
a
l
u
e
|
×
100
⇒
%
E
r
r
o
r
=
|
425
−
500
|
|
500
|
×
100
⇒
%
E
r
r
o
r
=
|
−
75
|
500
×
100
=
15
%
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