A sum of Tk. 600 amounts to Tk. 720 in 4 years at Simple Interest. What will it amount to if the rate of interest is increased by 2% ?

A sum of Tk. 600 amounts to Tk. 720 in 4 years at Simple Interest. What will it amount to if the rate of interest is increased by 2% ? Correct Answer Tk.768

এখানে, I = 720 - 600 = 120 r = 120× 100 / 600 × 4 = 5% 2% বৃদ্ধিতে মুনাফার হার ( 5 + 2) % = 7% I = 600 × 7/100 × 4 = 168 মুনাফা - আসল = 600 + 168 = 768
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