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Standard VIII
Mathematics
Profit and Loss Percentage
If the cost p...
Question
If the cost price of 15 pens is equal to the selling price of 20 pens . Find the profit or loss percent ?
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Solution
Let
the
CP
of
each
pen
be
Rs
x
.
CP
of
20
pens
=
Rs
20
x
SP
of
20
pens
=
CP
of
15
pens
=
Rs
15
x
i
.
e
CP
>
SP
Now
,
Loss
=
CP
-
SP
=
20
x
-
15
x
=
5
x
So
,
Loss
percentage
=
Loss
CP
×
100
=
5
x
20
x
×
100
=
25
%
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