"A trader has 600-kgs  of rice, a part of which he sells at 15% profit and the remaining quanti
Channel: Doubtnut
Date: 2020-04-12

"A trader has 600-kgs
  of rice, a part of which he sells at 15% profit and the remaining quantity at
  20% loss. On the whole, he incurs an overall loss of 6%. What is the quantity
  of rice he sold at 20% loss
`250\ kgs`
b. `320\ kgs`
c. `420\ kgs`
d. `360\ kgs`"