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22. Population growth formula is P= Po e^rt
22. Population growth formula is P= Po e^rt
Find population if Population original Po = 1billion
Find population if
Population original Po = 1billion
e = euler number
e = euler number
r = 1.2%
r = 1.2%
If a person's intake is 1.5 kg/day of food and 0.9l of water, how much food and water does the population need?
If a person's intake is 1.5 kg/day of food and 0.9l of water, how much food and water does the population need?
===Answer===
P:=Po*%e^(r*t)
Population=P(1000000000,0.012,20)
Water=Population*0.9<>l
23. From a group of 7 men and 6 women, five persons are to be selected to form a committee so that at least 3 women are there on the committee. How can it be done?
23. From a group of 7 men and 6 women, five persons are to be selected to form a committee so that at least 3 women are there on the committee. How can it be done?