The difference between the compound interest and the simple interest earned on a sum of money at the end of 4 years is ` 256.40. To find out the sum, which of the following informations given in the statements P and Q is/are necessary? P : Amount of simple interest accrued after 4 years. Q : Rate of interest per annum. TYPE QUESTIONS)
(a)Only P is necessary if the data in Statement I alone
(b)Only Q is necessary if the data in Statement II alone
(c)Either P or Q is necessary if the data either in Statement I or in
(d)Neither P nor Q is necessary if the data even in both Statements I
(e)Both P and Q are necessary COMPOUND INTEREST below consists of a statement and / or a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statement(s) is /are sufficient to answer the given question. Read both the statements and: Give answer are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question; Give answer are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question; Give answer Statement II alone are sufficient to answer the question; Give answer and II together are not sufficient to answer the question; Give answer if the data in both Statements I and II together are necessary to answer the question.