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. Choose the correct choice.
A) I and III only B) II and III only C) I and II only D) Any two of the three E) None of these
Explanation:   Clearly, any of the three will give us the answer   Answer: Any two of the three
<result>D</result>
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.