Quantitative Aptitude

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 years on simple interest.

II. Difference between the compound interest and the simple interest earned on a certain amount in 2 years is ₹ 400.

III. Simple interest earned per annum is ₹ 2000.

A. I only
B. II and III only
C. All I, II and III
D. Any two of the three
E. I only or II and III only
2. 

What will be the compound interest earned on an amount of ₹ 5000 in 2 years?

I. 

The simple interest on the same amount at the same rate of interest in 5 years is ₹ 2000.

II. 

The compound interest and the simple interest earned in one year is the same.

 III. 

The amount becomed more than double on compound interest in 10 years.

A. I only
B. I and II only
C. II and III only
D. I and III only
E. None of these