Question

what will be the profit/gain on buying a book at Rs 40 and selling it at Rs60​

Answer 1

Step-by-step explanation:

CP = 40

SP =60

Therefore it is profit as

SP>CP

so profit is 60-40=20

Answer 2

BUYING IS CALLED COST PRICE(CP)=  Rs. 40

SELLING IS CALLED SELLING PRICE(SP)=  Rs.60

SO,ITS A  RULE-->WHEN SP IS GREATER THAN CP IT PROFIT AND WHEN CP IS GREATER ITS LOSS

HERE,  SP>CP SO ITS A PROFIT

PROFIT= SP-CP

             =>60-40

             =>Rs 20 IS THE PROFIT GAINED BY SELLING THE BOOK

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