Mathematics · Compound Interest
If a certain sum becomes two times itself in 6 years at compound interest under annual compounding, then the number of years in which it will become eight times of itself at the same rate of interest under annual compounding is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 136 years
- 218 years✓
- 312 years
- 424 years
Correct answer
18 years
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