A sum of money doubles itself in 7 years at simple interest. In how much time will it become 5 times of itself?
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Q:
A sum of money doubles itself in 7 years at simple interest. In how much time will it become 5 times of itself?
- 121 yearsfalse
- 225 yearsfalse
- 328 yearstrue
- 423 yearsfalse
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