Question

A shopkeeper earned a profit of Rs.27 on selling goods for Rs360 pay on Rs.8000.
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Answer 1

Given:

Profit of selling goods for Rs.360 = Rs.100

Find:

Profit of selling goods on Rs.8000

Explaination:

Let the profit of selling goods for Rs.100 = x

Rs : Rs : : Profit : Profit

Extreme value= 360 : x

Mean value= 100 : 27

Formula:

Product of Extreme = Product of Mean

360 × x/360 = 100 × 27/360 (÷ by 10)

= 10 × 27/36 (÷ by 9)

= 10 × 3/4 (÷ by 2)

= 5×3/2

= 15/2

= 7.5

Answer:

The profit on selling goods for Rs.100 = Rs.7.5

Answer 2

Answer:

Let the profit of selling goods for Rs.100 = x

Rs : Profit : Profit

Extreme value= 360 : x

Mean value= 100 : 27

Product of Extreme = Product of Mean

360 × x/360 = 100 × 27/360 (÷ by 10)

= 10 × 27/36 (÷ by 9)

= 10 × 3/4 (÷ by 2)

= 5×3/2

= 15/2

= 7.5