Math, asked by dykshaverma2709, 5 months ago

pens are bought at 12 for a ruppee and sold at 9 for a rupee find the gain​

Answers

Answered by ramsmedicine
2

Answer:

Pens are bought at 12 for a rupee sold at 9 for a rupee. Find the gain or loss %.

Pens are bought of 12 for a rupee

Cost price(c.p) of the 12 pens=Re. 1

Cost price (c.p) of 1 pen=Rs.  

12

1

​  

 

Now,

Selling price(s.p) of 9 pens=Re. 1

Selling price(s.p) of 1 pen=Rs.  

9

1

​  

 

Gain=s.p−c.p

=Rs. [  

9

1

​  

−  

12

1

​  

]

=Rs. [  

36

4−3

​  

]=Rs.  

36

1

​  

 

Gain%=  

c.p

Gain

​  

×100=  

12

1

​  

 

36

1

​  

 

​  

×100=  

36

12

​  

×100

=  

3

100

​  

 

=33.33%.

Step-by-step explanation:

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