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Question

A sum doubles in eight years at simple interest. In how many years will the sum become five times the original sum?

A 28 years Correct Answer Incorrect Answer
B 24 years Correct Answer Incorrect Answer
C 32 years Correct Answer Incorrect Answer
D 36 years Correct Answer Incorrect Answer

Solution

Solution – Years      Times 8             2= (2-1) =1 x             5= (5-1) =4 x ×1 = 8×4 x = 32 years

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