A) Rs. 4280
B) Rs. 2840
C) Rs. 4820
D) Rs. 4028
Correct Answer: A
Solution :
[a] Let the investment of C be Rs. x Investment of A = Rs. 2560 Investment of B = Rs. 2000 According to the question, \[\frac{\text{A}}{\text{A+B+C}}\text{ }\!\!\times\!\!\text{ Total}\,\,\text{profit=A }\!\!'\!\!\text{ s}\,\,\text{share}\] \[\frac{2560}{2560+2000+x}\times 1105=320\]\[\Rightarrow \]\[\frac{1105}{4560+x}=\frac{320}{2560}\] \[\Rightarrow \]\[\frac{1105}{4560+x}=\frac{1}{8}\] \[\Rightarrow \]\[8840=4560+x\] \[\Rightarrow \] \[x=8840-4560\] \[\therefore \] x = Rs. 4280 |
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