Nandlal bought 20 dozen notebooks at 156 per dozen. He sold 8 dozens of them at 10% gain and
the remaining 12 dozens at 20% gain. What is his gain per cent in the whole transaction?
Answers
Step-by-step explanation:
Nandlal bought 20 dozen Notebooks at Rs.156 per dozen
Total purchasing price =156×20
=3120
He sold 8 dozen at 10% profit + 12 dozen at 20% profit
[156×8+
100
156×8×10
]+[156×12+
100
156×12×20
]
⇒1248+
10
1248
+1872+
10
3744
⇒
10
3120+1248+3744
⇒3619.20
So selling price =3619.2
profit = selling price -purchasing price
=3619.2−3120
=499.2
profit %=
3120
499.2×100
=16% Ans
Answer:
16%
Step-by-step explanation:
Nandlal bought 20 dozen Notebooks at Rs.156 per dozen
Nandlal bought 20 dozen Notebooks at Rs.156 per dozenTotal purchasing price =156×20
Nandlal bought 20 dozen Notebooks at Rs.156 per dozenTotal purchasing price =156×20 =3120
Nandlal bought 20 dozen Notebooks at Rs.156 per dozenTotal purchasing price =156×20 =3120He sold 8 dozen at 10% profit + 12 dozen at 20% profit
Nandlal bought 20 dozen Notebooks at Rs.156 per dozenTotal purchasing price =156×20 =3120He sold 8 dozen at 10% profit + 12 dozen at 20% profit[156×8+100156×8×10]+[156×12+100156×12×20]
Nandlal bought 20 dozen Notebooks at Rs.156 per dozenTotal purchasing price =156×20 =3120He sold 8 dozen at 10% profit + 12 dozen at 20% profit[156×8+100156×8×10]+[156×12+100156×12×20]⇒1248+101248+1872+103744
Nandlal bought 20 dozen Notebooks at Rs.156 per dozenTotal purchasing price =156×20 =3120He sold 8 dozen at 10% profit + 12 dozen at 20% profit[156×8+100156×8×10]+[156×12+100156×12×20]⇒1248+101248+1872+103744⇒103120+1248+3744
Nandlal bought 20 dozen Notebooks at Rs.156 per dozenTotal purchasing price =156×20 =3120He sold 8 dozen at 10% profit + 12 dozen at 20% profit[156×8+100156×8×10]+[156×12+100156×12×20]⇒1248+101248+1872+103744⇒103120+1248+3744⇒3619.20
Nandlal bought 20 dozen Notebooks at Rs.156 per dozenTotal purchasing price =156×20 =3120He sold 8 dozen at 10% profit + 12 dozen at 20% profit[156×8+100156×8×10]+[156×12+100156×12×20]⇒1248+101248+1872+103744⇒103120+1248+3744⇒3619.20So selling price =3619.2
Nandlal bought 20 dozen Notebooks at Rs.156 per dozenTotal purchasing price =156×20 =3120He sold 8 dozen at 10% profit + 12 dozen at 20% profit[156×8+100156×8×10]+[156×12+100156×12×20]⇒1248+101248+1872+103744⇒103120+1248+3744⇒3619.20So selling price =3619.2profit = selling price -purchasing price
Nandlal bought 20 dozen Notebooks at Rs.156 per dozenTotal purchasing price =156×20 =3120He sold 8 dozen at 10% profit + 12 dozen at 20% profit[156×8+100156×8×10]+[156×12+100156×12×20]⇒1248+101248+1872+103744⇒103120+1248+3744⇒3619.20So selling price =3619.2profit = selling price -purchasing price =3619.2−3120
Nandlal bought 20 dozen Notebooks at Rs.156 per dozenTotal purchasing price =156×20 =3120He sold 8 dozen at 10% profit + 12 dozen at 20% profit[156×8+100156×8×10]+[156×12+100156×12×20]⇒1248+101248+1872+103744⇒103120+1248+3744⇒3619.20So selling price =3619.2profit = selling price -purchasing price =3619.2−3120 =499.2
Nandlal bought 20 dozen Notebooks at Rs.156 per dozenTotal purchasing price =156×20 =3120He sold 8 dozen at 10% profit + 12 dozen at 20% profit[156×8+100156×8×10]+[156×12+100156×12×20]⇒1248+101248+1872+103744⇒103120+1248+3744⇒3619.20So selling price =3619.2profit = selling price -purchasing price =3619.2−3120 =499.2profit %=3120499.2×100
Nandlal bought 20 dozen Notebooks at Rs.156 per dozenTotal purchasing price =156×20 =3120He sold 8 dozen at 10% profit + 12 dozen at 20% profit[156×8+100156×8×10]+[156×12+100156×12×20]⇒1248+101248+1872+103744⇒103120+1248+3744⇒3619.20So selling price =3619.2profit = selling price -purchasing price =3619.2−3120 =499.2profit %=3120499.2×100 =16% Ans