The compound interest on a certain sum for 2 years at 10% per annum is Tk. 525. The simple interest on the same sum for double the time at half the rate percent per annum is :
A. Tk. 400
B. Tk. 500
C. Tk. 600
D. Tk. 800
সঠিক উত্তরঃ
B.
Tk. 500
Explanation:
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