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Byju's Answer
Standard VIII
Mathematics
Discount
Find the sing...
Question
Find the single discount equivalent to two successive discounts of 20% and 10%.
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Solution
Let
the
marked
price
be
Rs
100
.
Then
,
first
discount
on
it
=
Rs
20
Price
after
the
first
discount
=
Rs
100
-
20
=
R
s
.
80
Second
discount
on
it
=
10
%
of
Rs
80
=
Rs
80
×
10
100
=
Rs
8
Price
after
the
second
discount
=
Rs
.
80
-
8
=
Rs
.
72
Net
selling
price
=
Rs
.
72
Single
discount
equivalent
to
given
successive
discounts
=
100
-
72
%
=
28
%
∴
The
single
discount
equivalent
to
given
successive
discounts
is
28
%
.
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