In the following question, three statements are given. You have to find which is/are necessary and sufficient to answer the following question.
Find the rate of simple interest per annum.
Statement I: Shikha borrowed Rs. 2000 from Suman for two years at simple interest.
Statement II: Shikha returned Rs. 2320 to Suman at the end of two years and settled the loan.
Statement III: The interest paid by Shikha is Rs. 320.
1
Statement I and II together are sufficient to answer the question.
2
All three statements together are sufficient to answer the question.
3
Statement III alone or Statement I and II together are sufficient to answer the question.
4
Statement III alone is sufficient to answer the question.
5
Any two statements are sufficient to answer the question.