Q. 114.6( 5 Votes )

Fill in the blank

Answer :

(i) R


Amount (A) = P (1 + R/100)n [Where, A = Amount with compound interest


P = Present value


R = Annual interest rate


n = Time in years]


(ii) Compound interest


Amount (A) = P (1 + R/100)n


And Compound interest = P (1 + R/100)n - P


(iii) Rs.


Rate decreases.


Value = P (1 - R/100)n


Present value of machine = Rs.P


Interest rate = R% per annum


Time, n = 2


Value = Rs.


(iv)


Present population of a town = P


Increases rate = R% per annum


Time, n = 5 years


Population = P (1 + R/100)n [Where,


P = Present value


R = Annual interest rate


n = Time in years]


Population after 5 years =


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