What is the approximate percentage of persons above 65 years of age in India’s current population?

(b) Age of the fourth friend = 31 × 4 - 32 × 3 = 124 - 96 = 28 years

(a) The Aravallis range are the oldest mountain in India. The approximate age of the Aravallis is 370 million years.

(d) The highest percentage of population in India in 1997 is in the age group of 5-14 years.

(d) The New Exim Policy was for five years (April 1, 1992 – March 31, 1997).

The answer is (C) Five years 

Please solution

(b) Population dividend or Demographic dividend refers to a period - usually 20 to 30 years - when fertility rates fall due to significant reductions in child and infant mortality...

(d) Iron age

(a) Chalcolithic age