By selling pens at 4 for ₹ 10, a shopkeeper makes a profit of 20% on the cost price. If he sells them at ₹x per dozen, he loses 10% on the cost price. Calculate x
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4 pen=₹10
1 pen = 10/4=₹ 2.5
profit = 20/100×10=₹2
4:10::12:x
x=30
30/100x=10/100
x =10×100/30×100=1/3
1 pen = 10/4=₹ 2.5
profit = 20/100×10=₹2
4:10::12:x
x=30
30/100x=10/100
x =10×100/30×100=1/3
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Answer:
X = ₹ 20.25
Step-by-step explanation:
Given that,
Let the C.P be 100 unit
S.P of the one Pen = 10/4 = 2.25
C.P=?
According to the question, the shopkeeper make 20% profit
means the S.P is the 120 unit.
S.P = 2.25 = 120 unit
120 unit = ₹ 2.25
100 unit = 2.25/120
C.P of 1 pen is ₹ 1.875
To find out the S.P at 10% loss
Means 90 unit is the S.P
100 unit = ₹ 1.875
90 unit = ₹ 1.875/100*90 = ₹ 1.6875
so the S.P per dozen is = ₹ 1.6875 * 12
S.P = ₹ 20.25
There for the X = ₹ 20.25
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