A) 2%
B) 5%
C) 4%
D) 7%
Correct Answer: B
Solution :
Suppose rate of interest is r%. Then, \[\frac{600\times 4\times r}{100}+\frac{600\times 2\times r}{100}=180\] \[24r+12r=180\] \[36r=180\] \[r=5%\]You need to login to perform this action.
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