# QA – Placement Quizzes | Simple Interest | Question 10

A sum of Rs.468.75 was lent out at simple interest and at the end of 1 2/3 year the SI earned is Rs 31.25. Find the rate of interest per cent annum.**(A)** 5**(B)** 4**(C)** 4.25**(D)** 6**Answer:** **(B)****Explanation:** R=SI. 100/P.T

= (31.25 X 100)/(468.75 X 5/3)

= 4

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