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Profit and Loss Practice Test 8
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© examsnet.com
Question : 1
Total: 40
A merchant sold an article for Rs 75 at a profit per cent equal to his cost price. The cost price of the article was:
Rs 45
Rs 50
Rs 54
Rs 60
Validate
Solution:
Let cost price of the article = Rs x
Selling price of the article = Rs 75
Profit = SP - CP = 75 - x
Cost price
=
75
−
x
x
×
100
x
2
=
7500
−
100
x
x
2
+
100
x
−
7500
=
0
(
x
−
50
)
(
x
+
150
)
=
0
x - 50 = 0, or x + 150 = 0 is not possible
x = 50
So, the cost price of the article = Rs 50.
© examsnet.com
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