Discussions
Aditya Kumar Patra

· started a discussion

· 1 Months ago

let 20m cp(cost price)=100
then 1 m cp=5,4m cp=20 rupees.
gain =20/100*100=20%

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  = \(\cfrac{4}{16}\times 100=25\)% 

pradeep rawat

· commented

· 1 Months ago

COORECT

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

gain percentage = ( gain from the sale / cost of merchandise ) X 100%

= ( 4 P / ( 20 P - 4 P ) ) X 100%

= ( 4 P / 16P ) X 100%

= 0.25 X 100%

= 25 %

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