Question

The cost price of 8 electric table fan is equal to the selling price of 5 fans. Find the percentage gain/loss

Answer 1

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C.P of 8 fans = S.P of 5 fans

Let the cost price of 8 fans be x

Selling price of 5 fans = x

Cost price of one fan = x/5

Selling price of one fan = x/8

Loss on one fan = CP - SP

$\sf \: \dfrac{x}{5} - \dfrac{x}{8}$

$\sf \: \dfrac{8x - 5x}{40}$

$\sf \: \dfrac{3x}{40} \: (Loss)$

Loss Percentage :

$\dfrac{Loss}{C.P} \times 100$

$\dfrac{3x}{40} \div \dfrac{x}{5} \times 100$

$\cancel \dfrac{3x}{40} \times \cancel\dfrac{5}{x} \times 100$

$\dfrac{300}{8} = \boxed{37.5\%}$

Answer 2

Answer:

60% gain

Step-by-step explanation: