A man borrows Tk. 360 and pays it back in 12 monthly installments of Tk. 31.50 What is the rate of interest?
Solution
Correct Answer: Option A
12টি মাসিক কিস্তিতে পরিশোধ করলে হয়
= 31.50 × 12 = 378
.: সুদ হয় = (378 - 360) = 18
এখন,
I = p × n × r
⇒ 18 = 360 × 1 x r/100
⇒ (18×100)/360 = r
⇒ 5 = r
∴ r = 5%
= 31.50 × 12 = 378
.: সুদ হয় = (378 - 360) = 18
এখন,
I = p × n × r
⇒ 18 = 360 × 1 x r/100
⇒ (18×100)/360 = r
⇒ 5 = r
∴ r = 5%
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