Example 6. Profit-principal of some principal becomes Tk. 5500 in 3 years and profit is 8/3 of the principal. What are the principal and rate of profit?
Solution:
∴ Profit = profit-principal principal
= Tk. (5500 4000)
= Tk. 1500
Again, we know, I = Prn
We know, principal + profit = profit-principal
∴ Profit = profit-principal principal
= Tk. (5500 4000)
= Tk. 1500
Again, we know, I = Prn
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