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Maths Puzzle
A beaker contains 180liters of alcohol.In first day 60liters of alcohol is taken out and replaced by water.2nd day 60liters of mixure is taken out and replaced by water.and the process continues.At the end of 3rd day what is the quantity of alcohol
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- Initially 180 ltr pure alcohal
First day .... 120 ltr alcohal and 60 ltr water
2nd day...... 60liters of mixure is taken out , so 40 ltr alcohal and 20 ltr water is taken out. 60 ltr water is added.
so now 80 ltr alcohal and 100 ltr water
3rd day .. 60liters of mixure is taken out , so 80/3 ltr alcohal and 100/3 ltr water is taken out. 60 ltr water is added.
Balance alcohal in mixture at the end of third day = 80-80/3= 160/3 ltrs - 12 years agoHelpfull: Yes(0) No(0)
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