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profit and loss

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A sells B a diamond at a profit of 30%. B sells it to C at a loss of 20%. What profit did A earn if C paid Rs.1040 for the diamond?

(a) Rs.410  (b) Rs.200

(c) Rs.400  (d) Rs.140

2 Answers

Best answer
2 2 votes

CP  of  C = SP  of B = 1040

CP  of B = SP of A= 

$\frac{SP*100}{100± r}$ =$\frac{1040*100}{100-20}=\frac{1040*100}{80} = 1300$

 

CP of A =$\frac{1300*100}{100+30}=\frac{1300*100}{130}=1000$

Profit of A= SP of A - CP of A

=1300 - 1000 

=300

 

Hence,None of these Should be the Answer.

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300 is the answer
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