Question

7. If the cost price of 15 clocks is equal to the selling prince of 20 clocks , find the loss or gain percent

Answer 1

Answer:

A man sells two clocks each for Rs. 240 and got 20% profit on one clock and 20% loss on another clock. What is the profit or loss?

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Rehman

Answered 2 years ago

we will do calculations for each clock separately

for clock on which there was profit of 20%

The Selling Price is 240

in percentage terms

CP + Profit = SP (240)

100% + 20% = 120% ( assuming 20% profit is on cost price)

hence, SP = 120% = 240

so Profit= 20*240/120=40

Profit =40

Let calculate loss on clock on which loss was 20%

The Selling Price is 240

in percentage terms

CP - Loss = SP (240)

100% - 20% = 80% ( assuming 20% loss is on cost price)

hence, SP = 80% = 240

so Loss = 20*240/80 =60

Loss = 60

Hence, Total Profit or Loss = Profit of 40 minus Loss of 60

Total Loss = 20