কোন মূলধন ২ বছরে বার্ষিক সুদে ২৮০০ টাকা এবং ৫ বছরে ৩২০০ টাকা হয়। মূলধন ও সুদের হার কত?
A. ২০০০, ৫%
B. ২৫০০, ৬%
C. ১০০০, ১০%
D. কোনোটিই নয়
সঠিক উত্তরঃ
D.
কোনোটিই নয়
Explanation:
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