Given below in the table is the decadal data of Population and Electrical Power Production of a country. Based on the table data, answer the following questions

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UGC/CBSE NET December 2015, Paper 1, Answer Keys

Given below in the table is the decadal data of Population and Electrical Power Production of a country. Based on the table data, answer the following questions.

TABLE:

Year Population (million) Electrical Power Production (GW) 1951 20 10 1961 21 20 1971 24 25 1981 27 40 1991 30 50 2001 32 80 2011 35 100 where: 1GW = 1000 million watt

Question: which decade registered the maximum growth rate (%) of population ?

(1) 1961-1971

(2) 1971-1981

(3) 1991-2001

(4) 2001-2011

Answer: (1) 1961-1971

Question: Average decadel growth rate (%) of population is:

(1) ~ 12.21 %

(2) ~ 9.82 %

(3) ~ 6.73 %

(4) ~ 5 %

Answer: (2) ~ 9.82 %

Question: Based on the Average decadel growth rate, what will be the population in the year 2021 ?

(1) 40.34 million

(2) 38.49 million

(3) 37.28 million

(4) 36.62 million

Answer: (2) 38.49 million

Question: In the year 1951, what was the power availability per person ?

(1) 100 W

(2) 200 W

(3) 400 W

(4) 500 W

Answer: (4) 500 W

Question: In which decade, the average power availibilty per person was maximum ?

(1) 1981-1991

(2) 1991-2001

(3) 2001-2011

(4) 1971-1981

Answer: (3) 2001-2011

Question: By what percentage, the power production increased from 1951 to 2011 ?

(1) 100 %

(2) 300 %

(3) 600 %

(4) 900 %

Answer:  (4) 900 %