The population of a state is counted after every three years. It is found that the population each time is increased by 20% as compared to… — Answer & Discussion

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The population of a state is counted after every three years. It is found that the population each time is increased by 20% as compared to the previous count. If the population in the year 1998 was 42 lakhs, what will be the population in the year 2007 ?

A60.48 lakhs
B72.576 lakhs
C62.576 lakhs
D70.48 lakhs

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CCommunity09 Apr 2019

Solution
Population of the state in 1998 = 42 lakhs.

Population of the state in 2001 = 42*120% = 50.4 lakhs

Population of the state in 2004 = 50.40*120% = 60.48 lakhs

Therefore, population of the state in 2007 = 60.48*1.2 = 72.576 lakhs

CCommunity08 May 2019