According to the Indian census, a person aged 7 years and above who can read and write with understanding in any language is considered: MCQ with Answer and Explanation

Explanation:
Index numbers express relative changes in a variable (e.g., prices, quantities) compared to a base period or location, facilitating comparison of trends, inflation, or economic performance.

Explanation:
CPI weights items according to their share in average household consumption expenditure, derived from consumer expenditure surveys, to reflect the cost of living for typical families.

Explanation:
Morbidity describes the incidence or prevalence of a disease or illness within a population.