Question

if the selling price of 16pens is equal to the cost price of 17 pens .find the profit or loss petcent.

Answer 1

Let the cost price of 1 pen be x

Find the cost price of 16 pens:

16 pens = 16x

Find the selling price of 16 pens:

16 pens = cost price of 17 pens

16 pens = 17x

Find the profit / loss:

Selling Price > Cost Price = Loss

Loss = 17x - 16x = x

Find the loss percentage:

Loss Percentage = loss/cost price x 100

Loss Percentage = (x/16x) x 100 = 6.25%

Answer: The deal has a loss of 6.25%

Answer 2

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Let the cost price of 1 pen is Re 1 

Cost of 17 pens = 17

Selling price of 16 pens = 17

S.P of 16 pens = Rs.17

Selling Price of 1 pen = Rs.17-16=1

Gain= Rs. 1

Now....

Gain %= Gain x 100/C.P %

=) 1/16×100

=)100/16

=)6.25%

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CONCLUSION:-6.25%
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THANKS!!!!