A dishonest dealer professes to sell his goods at cost price. But he uses a false weight and thus gains 300/47% for a kg, he uses a weight of
a)940gms
b)947gms
c)953gms
d)960gms

• Dealer gains (300/47)% for a Kg.
  Let cost price is Rs100
  i.e he gains Rs(300/47) for a Kg
  i.e his selling price is Rs(100+300/47)
  
  Now
  If he used proper weight then
  selling price of Rs100 would account for 1Kg
  and selling price of Rs(100+300/47) would account for 1.06382979Kg (approx)
  
  Now
  Dishonest 1.06382979Kg is equal to honest 1 Kg
  therefore dishonest 1 Kg is equal to honest (1/1.06382979) Kg
  =940 gm approx.
• 10 years agoHelpfull: Yes(4) No(1)
• If a dishones seller profess to sell his items on CP but uses false weight then,
  Gain %=Error*100/True value-Error.
  
  Here Gain % is give=300/47%
  False weight??
  Let False weight=x
  Applying Formulla,
  
  300/47=x*100/1000-x
  =>3/47=x/1000-x
  =>3000-3x=47x
  =>3000=50x
  So,x=60
  So the false weight used by seller=1000-60=940
  
  
• 8 years agoHelpfull: Yes(4) No(0)