Mathematics · Simple Interest
If a sum of money at simple interest doubles itself in 6 years, in how many years will it become 4 times of itself at the same rate of interest?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 120 years
- 218 years✓
- 316 years
- 414 years
Correct answer
18 years
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