"A dealer of scientific instruments allows 20%   discount on the marked price of the instrument
Channel: Doubtnut
Date: 2020-07-05

"A dealer of scientific instruments allows 20%
 
  discount on the marked price of the instruments and still makes a profit of
 
  25 %. If his gain over the sale of an instrument is Rs 150, find the marked
 
  price of the instrument."