Subject
Quantitative Aptitude
Topic
Interest
A sum was put at simple interest at a certain rate for 10 yeaTk. Had it been put at 5% higher rate it would have fetched Tk.600 more. What was the sum?
A sum was put at simple interest at a certain rate for 10 yeaTk. Had it been put at 5% higher rate it would have fetched Tk.600 more. What was the sum?
ক)
Tk. 2400খ)
Tk.2000গ)
Tk.1800ঘ)
Tk.1200Explanation
At 5% more rate, the increase in SI for 10 years = Tk.600 (given) So, at 5% more rate, the increase in SI for 1 year = 600/10 = Tk.60/- Tk.60 is 5% of the invested sum So, 1% of the invested sum = 60/5 Therefore, the invested sum = 60 × 100/5 = Tk.1200.Related questions
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