a large tank is filled with water is to be emptied by removing 1/5 th of the water present in it everyday.after how many days will there be closest to 25% of the water left in the tank
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25%=25/100=1/4
first day
1-1/5=5/5-1/5=4/5
second day
4/5-1/5=3/5
third day
3/5-1/5=2/5
fourth day
2/5-1/5=1/5
as out of 4/5,3/5,2/5 and 1/5 the fraction closest to 1/4 is 1/5 so this will happen after 4 days
first day
1-1/5=5/5-1/5=4/5
second day
4/5-1/5=3/5
third day
3/5-1/5=2/5
fourth day
2/5-1/5=1/5
as out of 4/5,3/5,2/5 and 1/5 the fraction closest to 1/4 is 1/5 so this will happen after 4 days
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