Study the diagram carefully and attempt the questions.
How long did it take for the world population to grow from 3 billion to 6 billion?
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → 39 years
- World population reached 3 billion in 1960
- It reached 6 billion in 1999
- Time taken = 1999 − 1960 = 39 years
Note: This question is taken from the pre-rationalised NCERT book. The latest edition (2026-27) does not have this part. An extract of the pre-rationalised NCERT book is given below for the benefit of students.
Pre-rationalised NCERT:
Fig. 2.2: Resource, Technology and Population Growth |
