If seling price is doubled, profit increases 3 times. if price is not increased, profit would be-?

A 150%

B 140%

C 130%

D 100%

E None of this

Solution

Correct Answer: Option D

Sp-Cp=P
=>Sp=P+Cp
Again,
2Sp-Cp=3P
=>2(P+Cp)-Cp=3P
=>2P+2Cp-Cp=3P
=>Cp=3P-2P
=>Cp=P
So,100% profit (Ans.)

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