Question 42624
The computation of answer is like this:

Base year = 1975
population of Europe in 1995 = 38,139
population of Europe in 1970 = 22,762 
Increase in population =38139-22762=15,377
% increase = (15,377/22762)* 100=0.67555*100=67.55
The correct option is 67.6% = (B)
Okay!

Rajagopalan..