Direction (set of 4 questions): The question given below is followed by some statements. Read the question carefully and determine which of the given statements is/are necessary / required to answer the question.
What is the rate of interest per annum ?
(I) An amount doubles itself at simple rate of interest is 5 year.
(II) Difference between the compound interest and simple interest on an amount of Rs 10,000 in 2 year is Rs 400.
If the statement I alone is sufficient to answer the question, but the statement II alone is not sufficient.
If the statement II alone is sufficient to answer the question, but the statement I alone is not sufficient.
If both statements I and II together are needed to answer the question.
Either the statements I alone or statement II alone is sufficient to answer the question.
If you cannot get the answer from the statements I and II together, but need even more data.