IBPS Government Jobs Exams Numerical Ability Simple & Compound Interest

At simple interest, a sum becomes 4 times in 20 years. Find the time in which the sum will be 7 times at the same rate of interest.
(1) 30 years (2) 50 years (3) 28 years (4) 40 years (5) 35 years

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40

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IBPS Other Question

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