Respuesta :

hebahfm2010

Answer:

CP=Rs 20

Step-by-step explanation:

Selling price=Rs 25

Gain percent=25

then,

Cp =100*25/100+25

Cp=2500/100+25

Cp=2500/125

CP=Rs 20

devishri1977

Answer:

CP = ₹ 20

Step-by-step explanation:

Finding the Cost price:

           [tex]\sf \boxed{CP =\dfrac{100 }{(100+gain \ percent)}*SP}[/tex]

Gain % = 25%

SP = ₹ 25

          [tex]\sf CP = \dfrac{100}{100+25}*25\\\\ CP = \dfrac{100}{125}*25[/tex]    

                 = ₹ 20