# QA – Placement Quizzes | Simple Interest | Question 1

A sum amounts to Rs 2506 at simple interest rate of 13.5% per annum after 4 years. Find the sum.**(A)** 1624.25**(B)** 1621.27**(C)** 1624.27**(D)** 1627.27**Answer:** **(D)****Explanation:** Let the required sum be x. Then,

Simple interest = (x × 4 × 13.5/100) = Rs 27x/50.

Amount = (x + 27x/50) = Rs 77x/50.

Therefore, 77x/50 = 2506

⇒ 77x = 2506 × 50

⇒ x = 125300/77

⇒ x = 1627.27.

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