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UPSC 2013 CDS 2 Math Paper
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© examsnet.com
Question : 23
Total: 100
Two lots of onions with equal quantity, one costing ₹10 per kg and the other costing ₹15 per kg, are mixed together and whole lot is sold at ₹15 per kg. What is the profit or loss?
[2013 CDS-II]
10% loss
10% profit
20% profit
20% loss
Validate
Solution:
Let the quantity of onions in each lot be x kg.
C
.
P
.
=
10
x
+
15
x
=
25
x
S.P. for 2x kg onions
=
15
×
2
x
=
30
x
Profit
=
30
x
–
25
x
=
5
x
Therefore, profit percent
=
5
x
25
x
×
100
%
=
20
%
© examsnet.com
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