Question

the selling price of 20 pens is equal to the cost price of 22 pens what is profit per cent

Answer 1

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10 %

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Let SP of 20 pens = Rs. 2000 then, SP of 1 pen = Rs. 100

Let CP of 22 pens = Rs. 2000 %3|

the, CP of 1 pen = Rs. (2000/22)=

Rs. (1000/11)

now, Profit = SP-CP = (100/11)

Profit % = (Profit/CP)* 100

Profit % = 10%

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Answer 2

HeRe IS UR AnS:

10% Profit..

Explanation:

Let SP of 20 Pens = Rs 2000

Then , SP of 1 Pen = Rs 100

Let CP of 22 Pens = Rs 2000

Then, CP of 1 Pen = Rs ( 2000/ 22)= Rs (1000/11)

Now, Profit = SP - CP = (100 / 11)

Profit % = ( Profit / CP ) * 100

Answer = 10%

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