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Question

Rajini and Mohini deposited 3000 and 4000 in a company at the rate of 10% per annum for 3years and 212years respectively. The difference of the amounts received by them will be


A

100

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B

1000

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C

900

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D

1100

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Solution

The correct option is D

1100


Step 1: Finding the amount received by Rajini

Given that

Money deposited by Rajini (P) =3000

Time(T)=3years

Rate(R) =10%

We know that

Simple interest (I) =(P×R×T)100

I=3000×3×10100=900

Amount =P+I

Amount =3000+900=3900

Step 2: Finding the amount received by Mohini

Money deposited by Mohini(P) =4000

Time(T) =212=52

Rate(R) =10%

Simple interest (I) =(P×R×T)100

I=4000×10×5100×2=1000

Amount =P+I=4000+1000=5000

Step 3: Finding the difference in the amount received by Rajini and Mohini

The difference between the amounts received by them will be =50003900=1100

Hence, the correct option is D


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