A sum of money amounts to Tk. 1800 in 5 years and Tk. 2400 in 8 years at simple interest. Find the annual rate of interest.

A

10%


B

15%

C

20%

D

25%

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The simple interest on a sum of money is Tk. 720 in 12 years. If the principal is doubled after 6 years, what will be the total interest at the end of 12 years?

Created: 3 months ago

A

Tk. 720

B

Tk. 900

C

Tk. 1480

D

Tk. 1080

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Updated: 3 months ago

What will be the total amount after 3 years if Tk. 1200 is invested at a simple interest rate of 5% annually?

Created: 3 months ago

A

Tk. 1380

B

Tk. 1320

C

Tk. 1430

D

Tk. 1560

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Updated: 3 months ago

Sumon sells a mobile phone to Tania at a profit of 20%. Tania then sells that phone to Rafi for Tk. 1800, making a profit of 25%. At what price did Sumon purchase the mobile phone?


Created: 1 month ago

A

Tk. 1200


B

Tk. 1000


C

Tk. 1600


D

Tk. 1400


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Updated: 1 month ago

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