Aptitude - Simple Interest

Exercise :: Simple 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 principal sum?

I. 

The sum amounts to Rs. 690 in 3 years at S.I.

II. 

The sum amounts to Rs. 750 in 5 years at S.I.

 III. 

The rate of interest is 5% p.a.

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

Answer: Option E

Explanation:

Clearly, any two of the three will give us the answer.

Correct answer is (E).