A) 10%
B) 5%
C) 8%
D) 2%
Correct Answer: B
Solution :
If rate of interest be x%, then SI on Rs.\[500=\frac{500\times 4\times x}{100}\]= Rs.\[20x\]and SI on Rs. 600 \[=\frac{600\times 3\times x}{100}\] = Rs. \[18\,\,x\] \[\therefore \] \[20x+18x=190\] \[\therefore \] \[x=\frac{190}{38}=5%\]You need to login to perform this action.
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