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Amlan De

· started a discussion

· 1 Months ago

20sp-20cp=4sp
16sp=20cp
sp/cp=20/16
profit%=4/16%=25%

Question:

By selling 20 metres of cloth, a man gains the selling price of 4 metres of cloth. The gain percent is:

Options:
A) 20%
B) 25%
C) 30%
D) 35%
Solution:
Ans: (b)

% profit  = \(\cfrac{4}{16}\times 100=25\)% 

Knowledge Expert

· commented

· 1 Months ago

let P = selling price

20P = total price of 20 meters of cloth

4P = gain (profit) from the sale

20P - 4P = COST of the 20 meters of cloth

XX DEB

· commented

· 1 Months ago

good

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