Question

please tell this question​

Answer 1

Answer:

sorry the picture is not clean

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