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Data interpretation Basics, tips and tricks To solve all types of Questions For CBSE UGC NET And all Competitive Exams By Navdeep Kaur

Given below in the table is the decadal data of Population and Electrical Power Production of a countr Based on the above table, answer the following questions: 1. Which decade registered the maximum growth rate (%) of population? (A) 1961-71 (B) 1971-81 (B) 1991-2001 (D) 2001-2011 Year Population (million) 20 21 Electrical Power Production (GW)* 1951 1961 1971 1981 1991 10 20 25 40 24 nswer A 27 2. Average decadal population is (A)-12.21% (B) ~9.82% (C) ~6.73% (D) ~5% growth rate (%) 30 50 2001 32 80 2011 35 100 * 1 GW = 1000 million watt nswer B

Given below in the table is the decadal data of Population and Electrical Power Production of a country Based on the above table, answer the following questions 51-61 Year Population Electrical Power Production (GW) 10 20 25 (million) 20 21 24 27 30 32 35 29-21 1951 1961 1971 1981 1991 2001 2011 40 50 80 100 o l 2 7 or 11 35-3 1 GW 1000 million watt 15

Given below in the table is the decadal data of Population and Electrical Power Production of a countr Based on the above table, answer the following questions: 1. Which decade registered the maximum growth rate (%) of population? (A) 1961-71 (B) 1971-81 (B) 1991-2001 (D) 2001-2011 Year Population (million) 20 21 Electrical Power Production (GW)* 1951 1961 1971 1981 1991 10 20 25 40 24 nswer A 27 2. Average decadal population is: (A)-12.21% (B) 9.82 (C)-6.73% (D) ~5% growth rate (%) 30 50 2001 32 80 2011 35 100 * 1 GW = 1000 million watt Answer B

3. Based on the average decadal growth rate, hat will be the population in the year 2021? (A) 40.34 million (B) 38.49 million (C) 37.28 million (D) 36.62 million Year Population (million) 20 21 Electrical Power Production (GW)* 1951 1961 1971 1981 1991 10 20 25 40 nswerB 24 27 30 50 2001 32 80 2011 35 100 * 1 GW = 1000 million watt

3. Based on the average decadal growth rate what will be the population in the year 2021? (A) 40.34 million B) 38.49 million (C) 37.28 million (D) 36.62 million Year Population (million) 20 21 24 27 30 32 35 Electrical Power Production (GW) 1951 1961 1971 1981 1991 2001 2011 10 20 25 40 50 80 100 1 GW 1000 million watt nswer B 35 x 9.32 3.43 38-y?

4. In the year 1951, what was the power availability per person? (A) 100 (B) 200 C) 400 (D) 500 Year Population (million) 20 21 Electrical Power Production (GW)* 1951 1961 1971 1981 1991 10 20 25 40 Answer D 24 27 30 50 2001 32 80 2011 35 100 * 1 GW = 1000 million watt

5. In which decade, the average power availability per person was maximum? (A) 1981-1991 (B) 1991-2001 (C) 2001-2011 (D) 1971-1981 Electrical Power Production (GW)* Year Population (million) 20 21 10 1951 20 1961 Answer C 1971 24 25 1981 27 40 50 30 32 35 1991 80 2001 100 2011 * 1 GW = 1000 million watt

5. In which decade, the average power availability per person was maximum? (A) 1981-1991 (B) 1991-2001 (C) 2001-2011 (D) 1971-1981 Year Electrical Power Production (GW) 10 Population (million) 20 21 24 27 30 32 35 1951 20 25 40 50 80 100 * 1 GW 1000 million watt 1961 Answer C 1971 1981 1991 2001 2011 32 2.

6. By what percentage (%) the powe production increased from 1951 o 2011 (A) 100% (B) 300% (C) 600% (D) 900 Year Population (million) 20 21 Electrical Power Production (GW)* 2011-195 195 1951 1961 1971 1981 1991 10 nswer 20 25 40 24 27 30 50 2001 32 80 2011 35 100 * 1 GW = 1000 million watt