Which three indicators are currently used in the Human Development Index (HDI)?
(a) Real GNP (Gross National Product) per capita
(b) Birth rates
(c) Life expectancy at birth
(d) Employment rates
(e) Educational attainment
1
(a), (c) and (d)
2
(a), (b) and (d)
3
(a), (b) and (c)
4
(a), (c) and (e)