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Profit and Loss Practice Test 7
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© examsnet.com
Question : 21
Total: 40
Which of the following successive discount series is the best of all for a customer?
30%, 20%, 10%
25%, 20%, 15%
30%, 10%, 15%
25%, 15%, 10%
Validate
Solution:
Successive discounts
=
x
+
y
−
x
y
100
x
=
30
%
,
y
=
20
%
,
z
=
10
%
Now
x
+
y
−
x
y
100
=
30
+
20
−
30
×
20
100
=
44
%
Now
p
=
44
%
,
z
=
10
%
p
+
z
−
p
z
100
=
44
+
10
−
44
×
10
100
=
49.6
%
So, the best of all discount series is option A.
© examsnet.com
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