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Byju's Answer
Standard VI
Mathematics
Profit Percentage
find the cost...
Question
find the cost price of an article if its selling price is Rs 1820 with a profit 30%
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Solution
Let
the
CP
of
the
article
=
Rs
x
Now
,
SP
of
the
article
=
Rs
1820
Profit
%
=
30
%
⇒
Profit
CP
×
100
%
=
30
%
⇒
Profit
CP
×
100
=
30
⇒
Profit
CP
×
10
=
3
⇒
10
profit
=
3
CP
⇒
10
SP
-
CP
=
3
CP
⇒
10
SP
-
10
CP
=
3
CP
⇒
13
CP
=
10
SP
⇒
13
x
=
10
×
1820
⇒
x
=
1400
So
,
CP
of
the
article
=
Rs
1400
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