If the cost price of a fan is Rs.720. If there is a profit of 16 2/3 % , Then sale price is ?
  1. Rs 840
  2. Rs 940
  3. Rs 1050
  4. None of these 

Also write important formula of this chapter like sp= ? , cp=? ...

Asked by sucharitasahoo1 | 26th Dec, 2017, 06:10: PM

Expert Answer:

begin mathsize 16px style Cost space price space of space straight a space fan equals Rs. space 720
Profit space percentage equals 16 2 over 3 percent sign equals 50 over 3 percent sign
Let space selling space price space be space Rs. space straight x.
Profit space percentage equals fraction numerator Selling space price minus Cost space price over denominator Cost space price end fraction cross times 100
50 over 3 equals fraction numerator straight x minus 720 over denominator 720 end fraction cross times 100
50 over 3 cross times 720 over 100 equals straight x minus 720
120 equals straight x minus 720
straight x equals 840
Sellig space price space of space straight a space fan space is space Rs. space 840.

Important space formuale colon
Profit equals Selling space price space minus space Cost space price
Loss space equals space Cost space price space minus space Selling space price
Profit space percentage equals fraction numerator Selling space price space minus space Cost space price over denominator space Cost space price end fraction cross times 100
Loss space percentage equals fraction numerator space Cost space price minus Selling space price over denominator space Cost space price end fraction cross times 100 end style

Answered by Sneha shidid | 27th Dec, 2017, 09:57: AM