Question

an article sold for ruppes 132 making profit of 10% find the cost price. ​

Answer 1

Answer: Rs 1200

Step-by-step explanation:

Let the C.P. = Rs. x. Gain =10%

S.P. = Rs.  

100

110x

​  

=  

10

11x

​  

 

New C.P. = Rs.  

100

90x

​  

= Rs.  

10

9x

​  

 

Now  S.P. =110% of Rs.  

10

9x

​  

= Rs.  

100

99x

​  

 

∴  

10

11x

​  

−  

100

99x

​  

=132

⇒  

100

11x

​  

=132

⇒x=  

11

132×100

​  

= Rs. 1200

Answer 2

WE KNOW THAT CP=

(100/100+PROFIT%)*CP

$\frac{100}{100+10} *CP$

$\frac{100}{110} *132$=120

HENCE CP=120

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