A coal merchant makes a profit of 200 by selling coal at Rs 25 per quintal If he sells the coal at R...........

Quantitative Aptitude (CDS) Profit and loss

A coal merchant makes a profit of 200% by selling coal at Rs. 25 per quintal.If he sells the coal at Rs. 22.50 per quintal ,what is his profit percent on

the whole investment?

168%

180%

170%

200%

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Explanation:

Selling price S.P=25
profit %=(S.P-C.P)/C.P
200%=(25-C.P)/C.P
2 C.P=25-C.P
C.P=25/3
profit %=(S.P- C.P)100/C.P
=(22.50-25/3)100/(25/3)
=(67.5-25)100/(25/3)
=(42.5/3)100/(25/3)
=4250/25
=170%