What is the principal sum?
I. The sum amounts to Rs. 780 at a rate of 8% p.a. at S.I.
II. The sum amounts to Rs. 1000 in 5 years at S.I.
III. The rate of interest is 8% p.a.  Choose one:
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, Only the statement II and III is needed and cant be able to find by using I statement   Answer: II and III only
<result>B</result>
What is the principal sum?
I. The sum amounts to Rs. 780 at a rate of 8% p.a. at S.I.
II. The sum amounts to Rs. 1000 in 5 years at S.I.
III. The rate of interest is 8% p.a.