Question

the cost of 11 pencils is equal to the selling price of 10 pencils. Find the loss or gain per cent

Answer 1

Answer:

10% GAIN

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Step-by-step explanation:

Let say cost price of 1 pencil = C

cost price of 11 pencil = 11C

Selling Price of 10 pencil = 11C

Selling price of 1 pencil = 11C/10

Gain = 11C/10 - C =  C/10

Gain % =  {(C/10)/C} *  100

= 10%