‘Population dividend’ refers to (a) total number of population (b) youthful age structure of a population

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

(b) The demographic dividend is a rise in the rate of economic growth due to a rising share of working age people in a population. This usually occurs late in...

(c) Let son’s age in 1930 be x years then father’s age in 1930 will be 8x years In 1938, father’s age= (8x + 8) years As per the question, 8x + 8...

(b) faulted structure

(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

(a) Ratio of father’s present age to that of son = 42/14 = 3/1 = 3:1 (b) When son was 12 years, i.e., 2 years ago, then father was (42 –...

Let Shobo’s age be x years. Therefore, his mother’s age will be 6x years. According to the given question, After 5 years.Shobo's age = Shobo's mother's present age/3 x + 5 = 6x/3 x +...