Question

By selling an article for rupees 7.50 a retailer gains 12 1 by 2% what is cost price of the article

Answer 1

Answer:

850 RS

Step-by-step explanation:

Let initial cost price be Rs. x

Profit =

100

20

×x=

5

x

So, Selling price = x+

5

x

=

5

6x

New cost price = x+50

New selling price =

5

6x

+30

New profit = (

5

6x

+30)−(x+50)=

5

x

−20

Profit%=

(x+50)

5

x

−20

×100

According to the question profit %= (20−

3

10

)%=

3

50

%

So,

x+50

5

x

−20

×100=

3

50

⇒

5(x+50)

x−100

×100=

3

50

⇒

x+50

x−100

=

6

5

⇒ 6x−600=5x+250

⇒ x=850

Therefore, cost price of article is Rs. 850.