RRB RPF RPSF SI and CONS Model Papers 6 with solutions

Question : 94 of 120

Marks: +1, -0

The population of a town increases each year by 4% of its total at the beginning of the year. If the population on 1st January 2001 was 500000, what will it be on 1st January, 2004?

562432
652432
465223
564232

Validate

Solution:

(1) Given, Principal, P = 500000 and time period, T = 3 years.
So, the population on 1st January 2004,

=A=P (1+ {r}/{100} )^{T}

⇒500000 (1+ {4}/{100} )^{3}=562432

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