Mathematics · Percentage
The strength of a school increases and decreases every alternate year by 20%. It started with an increase in the year 2015 and the initial strength was 3000. Find the strength of the school in the year 2017 and also the percentage of increase in strength from the initial strength, respectively.
- 13456, 15.2%✓
- 24456, 14.2%
- 34556, 17.2%
- 43556, 16.2%
Correct answer
3456, 15.2%
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