How much more interest will Maria receive if she invests $1000 for one year at x % annual interest, compounded

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A

B

C

D

E

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Source: GMAT Prep

How much more interest will Maria receive if she invests $1000 for one year at x % annual interest, compounded semiannually, than if she invests $1000 for one year at x percent annual interest, compounded annually?

A. \(5x\)
B. \(10x\)
C. \(\dfrac{x^2}{20}\)
D. \(\dfrac{x^2}{40}\)
E. \(\left(10x+\dfrac{x^2}{40}\right)\)

The OA is D
Source: — Problem Solving |