"A watch is sold at a profit of 20%. If both the cost price and the selling price of the watch are
Channel: Doubtnut
Date: 2020-04-05

"A watch is sold at a
 profit of 20%. If both the cost price and the selling price of the watch are
 decreased by Rs. 100, the profit would be 5% more. Original cost price of the
 watch is
`R s .450`
b. `R s .500`
c. `R s .600`
d. `R s .550`"