the CI on certain sum of money for 2 years is Rs 2200 and that for 3 years is Rs 3640. what is the rate of interest?
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Answer:
no
Step-by-step explanation:
Instead of 3640 CI in the 3rd year, it should be 2640. That gives us the difference of 440 between the 2nd and the 3rd year. Therefore, 20% is the answer.
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