find the population of a city after 2 years which is at present 12 lakh if the population increased by 5% per annum
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HERE'S YOUR ANSWER
present population = 12 lakh = 1200000
Time=2years
Rate of interest =4percent
Therefore ,population after 2years is
=present population (1+r/100)²
=1200000(1+4/100)²
1200000*(104/100)²
=1200000 * 104/100 *104/100
120*104*104
=1297920.(ANSWER)
hope it helps !!
present population = 12 lakh = 1200000
Time=2years
Rate of interest =4percent
Therefore ,population after 2years is
=present population (1+r/100)²
=1200000(1+4/100)²
1200000*(104/100)²
=1200000 * 104/100 *104/100
120*104*104
=1297920.(ANSWER)
hope it helps !!
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