1.

Say True or False:If the present population of a city is P and it increases at the rate of r % p.a, then the population n years ago would be P (1 + r/100)n.

Answer»

False

Let the population ‘n’ yrs ago be ‘x’

Present population (P) = x × (1 + r/100)n

x = P/(1+r/100)n



Discussion

No Comment Found