Directions (Q. 1 – 5): Following line graph shows the percentage growth in population of six cities A, B, C, D, E and F from 2011 to 2012 and 2012 to 2013.
Q1. If the population of City A is 5.4 lakh in year 2011 then what will be its population in year 2013.
1) 7.842 lakh
2) 8.424 lakh
3) 8.765 lakh
4) 9.168 lakh
5) None of these
Q2. What is the percentage increase in population of city C from year 2011 to year 2013.
1) 15%
2) 22.5%
3) 30%
4) 32.25%
5) 33.5%
Q3. If the population of city E and City D are equal in year 2012 then the population of city E is approximately what percentage of population of city D in 2013.
1) 86.2%
2) 96%
3) 104%
4) 116%
5) 124%
Q4. If the population of city-F in year 2013, is 16.848 lakh then what was its population in year 2011 ?
1) 7.8 lakh
2) 8.4 lakh
3) 9.6 lakh
4) 10.2 lakh
5) 11.4 lakh
Q5. If the population of city-B and city-D in year 2011 are equal to 6 lakh then what will be the difference between population of city-D in 2013 and population of city-B in 2013 ?
1) 75500
2) 97400
3) 112500
4) 137600
5) 148500
Answer & Explanation1. 4A2013 = 540000 * 120/100 * 130/100 = 8424002. 4Let its population in 2011 = 100Population (2013) = 100 * 115/100 * 115/100 = 132.25%Increase = 32.25%3. 4Let the population of D & E are ‘X’ in year 2012D2013 = x * 125/100 = 1.25xE2013 = x * 145/100 = 1.45xReq% = 1.45x/1.25x * 100 = 116%4 .3F2011 = 1684800 * 100/130 * 100/130 = 9600005. 3D2013 = 600000 * 135/100 * 125/100 = 1012500B2013 = 600000 * 125/100 * 120/100 = 900000Diff = 1012500 – 900000 = 112500