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Question

In each of the following questions, a question and some statements are given. You have to decide whether the date given in the statements is sufficient to answer the question or not.

Find the rate of interest per annum? Statement I . The CI in 12 years is more than the amount. Statement II . The difference between SI and CI in 3 years is Rs.1200 Statement III . An amount double itself at SI in 20 years

A Only I and II are sufficient Correct Answer Incorrect Answer
B Only III is sufficient Correct Answer Incorrect Answer
C Only II and III are sufficient Correct Answer Incorrect Answer
D All are not sufficient Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

From statement III: Principal = P, Amount = 2P Interest = 2P – P = P SI =P = P × R × 20/100  Rate  = 5 %

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