. At what rate of interest, a sum of money will triple itself in 12 up one 1/2years?
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Answer:
because of the question is not clear I am telling you the method by which you can solve this type of question
Step-by-step explanation:
let the sum is x
after 12 years the sum will be 3x
therefore interest is 3x-x=2x
rate = interest×100/principal×time
2x×100/x×12 = 16.66666.....%p.a
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