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Q. Thomas invested a sum of money at simple interest which triples itself in 8 years. In how many years will it become 8 times itself at the same rate? No worries! We‘ve got your back. Try BYJU‘S free classes today! No worries! We‘ve got your back. Try BYJU‘S free classes today! Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses No worries! We‘ve got your back. Try BYJU‘S free classes today! Solution The correct option is C 28 yearsFor principal amount x Interest generated in 8 years is 2x For rate of interest R 2x=x×8×R100R=2008=25% For interest = 7x Time = T 7x=x×25100×TT=70025=28 years
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Correct Option: CLet the principal be P.
Case-II
Second method to solve this question :
T = 30 years.
Your comments will be displayed only after manual approval. In what time will a sum of money put at 15 simple interest triples itself?So the answer for your question is 13Y and 4 months.
At what rate percent of interest a sum of money becomes 6 times itself in 15 years?Detailed Solution
∴ The rate of interest is 33.33%.
What time if an amount becomes 3 times in 5 years then in how many years it would be 9 times through compounded interest and simple interest respectively?The money given becomes 3 times in 5 years. So we get the rate of interest as 40% , so the amount to become 9 times we have A= 9P, t=x, r=40% so. Therefore, it takes 20 years for the money to become 9 times through Simple Interest.
How many years will the sum becomes 5 times itself?A sum becomes 5 times of itself in 3 years. at compound interest (interest is compounded annually). Let the sum becomes 125 times in n years. ∴ In 9 years it will become 125 times.
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A sum of money at simple interest 7 times itself in 15years it will become 9 times itself in
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