A man saves TK 200 at the end of each yr and lends the money at 5% compound interest. How much money will it become at the end of 3 years

A TK 664.02

B TK 662.02

C 675

D 670

E None of This

Solution

Correct Answer: Option B

First year:
Save 200 tk + 200 tk উপর 5% interest=10 tk
At the end of first year 
amount=210 tk

second year:
save 200 + first year 210 =Amount 410 tk 
410 of 5% interest =20.5 tk
At the end of 2nd year
=Amount 430.5 tk

similarly 3rd year:
200+430.5=630.5 tk
At the end of 3rd year
=630.5 + 630.5 of 5%
=662.02 tk

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