In each of the following questions, a question is asked and is followed by three statements. While answering the question, you may or may not require the data provided in all the statements. You have to read the question and the three statements and then decide whether the question can …

Read More »## Compound Interest – Data Sufficiency 2

Each of the questions given below consists of a question followed by three statements. You have to study the question and the statements and decide which of the statement(s) is/are necessary to answer the question. 1. What is the rate of interest p.c.p.a.? I. An amount doubles itself in 5 …

Read More »## Compound Interest – Data Sufficiency 1

Each of the questions given 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 the both statements and …

Read More »## Compound Interest – General Questions

1. A bank offers 5% compound interest calculated on half-yearly basis. A customer deposits Rs. 1600 each on 1stJanuary and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is: A. Rs. 120 B. Rs. 121 C. Rs. …

Read More »## Compound Interest – Important Formulas

Let Principal = P, Rate = R% per annum, Time = n years. When interest is compound Annually: Amount = P 1 + R/100 n When interest is compounded Half-yearly: Amount = P 1 + (R/2)/100 2n When interest is compounded Quarterly: Amount = P …

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