Rs. 750
x - 8% = 690 x *0.92= 690 x=690/0.92 x= 750
You can write t'he equation, 690+0,08x=X Then X= 750
Mohan sold a book at a loss of 40%. If the selling price had been increased by Rs. 200, there would have been a gain of 10%. What was the cost price of the book?