with a given rate of SI the ratio of princial and amount for a certain period of time is 4:5 . after 3 yrs with the rate of Interest the ratio of principal and amount become 5:7
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:a =4:5=4:5
That means interest is 25%25%
After 33 years, p:a =5:7=5:7
That means interest is 40%40%
Therefore, there is an increment of 15%15% in 33 years
so the rate of interest is 5%....
That means interest is 25%25%
After 33 years, p:a =5:7=5:7
That means interest is 40%40%
Therefore, there is an increment of 15%15% in 33 years
so the rate of interest is 5%....
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