Question

A book is sold for Rs42 at a gain of 5%.Find the cost price.​

Answer 1

I hope this will help you

Answer 2

Rs 40

SP = 42

gain% = 5%

SP = {(100 + gain%)/100} × CP

42 = 105/100 × CP

CP = 42×100/105

CP = Rs 40

Hope that it helps you....

good night dear....

Answer 3

Rs 40

SP = 42

gain% = 5%

SP = {(100 + gain%)/100} × CP

42 = 105/100 × CP

CP = 42×100/105

CP = Rs 40

Hope that it helps you....

good night dear....