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प्रश्न
It took how many years for the world population to grow from 1 billion to 2 billion?
पर्याय
12 years
100 years
30 years
22 years
MCQ
उत्तर
100 years
shaalaa.com
Trends in Population Growth
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
