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The selling price of 12 pens is equal to the cost price of 15 pens . find the gain percent.
Posted by: rishu priyadarshi in Olympiad{RMO+INMO+IMO} 1 decade ago, Total Answer(s): 5
Answer(s)
Let the CP of each pen be Rs.x.
Then,
CP of 12 pens=Rs.12
SP of 12 pens=CP of 15 pnes=Rs.15
now,gain=SP-CP=Rs.(15-12)=Rs.3
gain%=gain/cp*100
=(3/12*100)%=25%
Hence,the gain=25%.
By: arishta jain, 1 decade ago
Let the C.P of 1 pen be Rs.1
Therefore,
The C.P of 15 pens = Rs. 15
Given,
C.P of 15 pens= S.P of 12 pens.
So, S.P of 12 pens = Rs.15
Selling Price of 1 pen = Rs. 1.25
Gain= Rs. 0.25
Gain percent= Gain x 100/C.P %
= 0.25 x 100/1 %
=25/1 %
= 25 %
Therefore, the gain percent is 25%
Hope You understood it... :-)
By: Sriram Vudayagiri, 1 decade ago
12SP=15CP
SP/CP= 15/12
15-12=3
3/12*100=25%
By: RAHUL KUMAR, 3 years ago
12SP=15CP
SP/CP= 15/12
15-12=3
3/12*100=25%
By: RAHUL KUMAR, 3 years ago
SP OF 12 PENS =CP OF 15 PENS
SP OF 1 PENS = R. 1
SP OF 12 PENS= R. 12
SP OF 15 PENS = R. 15
CP OF 15 PENS =R. 12
NOW, SP >CP
SO, GAIN = SP -CP
=R. 15 - R. 12 =R. 3
GAIN % = GAIN *100. =3/12 *100 =25%
CP
Answer=25%
By: RAHUL KUMAR, 3 years ago
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The sold price of 12 eggs is equal to cost price of 16 eggs. Find the profit percentage
Solution
Let selling price of 12 eggs =X
Then the cost price of 16 eggs =X
The selling price of 1egg=X12
Therefore, the cost price of 1egg=X16
We know that selling price > cost price
Therefore, the profit = Selling price – Cost price
=X12–X16=X48
Profit%=(ProfitCP)x100%
=X48X16×100=1648×100=1003= 3313%
Hence, the profit percentage is 3313%
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Given:
Selling price of 12 eggs is equal to the cost price of 15 eggs.
To do:
Here, we have to find the gain percentage.
Solution:
Let the cost price of 15 eggs be $a$.
So,
Selling price of 12 eggs $=a$
Selling price of 1 egg $=\frac{a}{12}$
Selling price of 15 eggs $=\frac{15a}{12}$
Now,
Profit $=$ SP of 15 eggs $-$ CP of 15 eggs
Profit$=\frac{15a}{12}-a$
Profit$=\frac{15a-12a}{12}$
Profit$=\frac{3a}{12}$
Profit$=\frac{a}{4}$
Therefore, profit % is as below,
Profit %$=\frac{Profit}{CP}\times100\%$
Profit%$=\frac{\frac{a}{4}}{a}\times100\%$
Profit%$=\frac{1}{4}\times100\%$
$\mathbf{Profit\ \%\ =\ 25\ \%}$
So, the answer is 25%.
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Updated on 10-Oct-2022 10:29:35
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