Question

Solve this two questions with explaining method also....​

Answer 1

6) Selling price = ₹ 1608

Labelled price = ₹ 2010

7) Profit percentage = 10.5%

Explanation:

Finding the selling price:

6) Cost Price = ₹ 1200

`\sf Profit = 33(1)/(3) \% * Cost\ price\\\\`

`\sf = (102)/(300)*1200\\\\ = 102 * 4\\\\`

= ₹ 408

Selling price = Cost price + Profit

= 1200 + 408

= ₹ 1608

Let the labelled price = x

Discount % = 20%

(100-20)% of x = 1200 + 408

80% of x = 1608

`\sf x = 1608*(100)/(80)\\\\`

x = ₹ 2010

Answer: Selling price = ₹ 1608

Labelled price = ₹ 2010

7) Let the Cost price = ₹ X

Marked price = (100 + 30)% of Cost price

`\sf = (130)/(100)X\\\\ = 1.3 X`

Discount% = 15%

Selling price = (100 - 15)% of 1.3X

= 85% * 1.3X

= 0.85 * 1.3X

= 1.105X

`\sf \boxed{\bf Profit \% =(Selling \ price - Cost \ Price)/(Cost \ price )*100}`

`\sf = (1.105X - X)/(X)*100\\\\ = (0.105X)/(X)*100\\\\ = 0.105*100\\\\ = 10.5 \%`