Question

A tv set was sold at a gain of 15%. had it been sold for rs375 more, the gain would be 20%. find the cost price of tv set​

Answer 1

Answer:

solution

let the cp=x

profit =15%

profit =x×15/100

=0.15x

if sold it in 375 more

0.15x+375=20% profit

0.15x+375=x×20/100

0.15x+375=0.2x

0.15x-0.2x=375

0.05x=375

x=375/0.05

x=7500

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