Direction: The questions is accompanied by three statements III and III. You have to determine which statement(s) is/are sufficient/necessary to answer the question. |
I. An amount doubles in 4 years at simple rate of interest. |
II. The difference between the CI and the Sl earned on the same amount in two years is Rs.48.4. |
III. The simple interest per annum is Rs.180. |
A) Only II and III
B) All I, II and III
C) Any two of them
D) Only I
E) None of these
Correct Answer: D
Solution :
From 1. \[R=\frac{x\times 100}{x\times 4}=25%\] From II. Since principal is not given, we can't find the answer. From III. Here also principal is not given so we can't find the answer. Hence only I is sufficient to answer.You need to login to perform this action.
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