A) \[2%\]
B) \[3%\]
C) \[3\frac{1}{3}%\]
D) \[4\frac{1}{3}%\]
Correct Answer: C
Solution :
Case I, Principal = interest \[\therefore \] Rate \[=\frac{S.I.\times 100}{\text{Principal}\times \text{Time}}=\frac{100}{5}=20%\]per annum Case II, S.I.\[=2\times \] Principal \[\therefore \] Rate \[=\frac{S.I.\,\times 100}{\text{Principal}\,\,\times Time}\] \[=\frac{2\times 100}{12}=\frac{50}{3}%\] per annum \[\therefore \] Required difference \[=\left( 20-\frac{50}{3} \right)%=\left( \frac{60-50}{3} \right)%=\frac{10}{3}=3\frac{1}{3}%\]You need to login to perform this action.
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