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The population of a country doubled every 10 years from 1980 to 2010. What was the percent increase in population during the period?
The population of a country doubled every 10 years from 1980 to 2010. What was the percent increase in population during the period ?
In a city the population in the year 2010 was 4.5 lacs, the average of population in that city in that years 2010, 2011, 2012 and 2013 was 5.5 lacs. The population in 2012 increased by 1 lac when compared to year 2011. The population in 2013 was 2 lacs more than that in 2010. Find the population in 2012?
The given bar graph represents data of the production of paper (in ten lakh tonnes) by three different companies X, Y and Z during the years 2008 to 2012. The x-axis shows the 'years' and the y-axis represents the 'production of paper (ten lakh tonnes)'. (Note: The data shown is only for mathematical exercise. They do not represent actual figures.)  The total production of Company Y during 2008 and 2009 and Company X for 2011 and 2012 taken together is p% (p is correct to the nearest integer) more than the total production of Company Z during 2010, 2011 and 2012. The total production of Company Z during 2008 and 2009 taken together is q% (q is correct to the nearest integer) less than the total production of Company X during 2008, 2009 and 2012 and Company Y during 2010 and 2011 all together.  What is the positive difference between p and q ? 
The population of a country doubled every 10 years from 1960 to 1990. What was the percent increase in population during this limit?
According to the Planning Commission's Estimates (Expert Group Methodology) about percentage of population below the poverty line population, which option/options of the following is/are correct? a. In 1983-84, Rural area poverty was 46.6 percent. b. 36.0 percent of the population was below the poverty line in 1993-94. c. 35.0 percent of the population in Urban area was below the poverty line in 1990-91. d. In India, 37.0 percent of the total population was below the poverty line in 1987-88.
Consider the following statements
If a sum of money is lent at simple interest, then the
I - money gets doubled in 5 years if the rate of interest is $$16\frac{2}{3}$$ %
II - money gets doubled in 5 years if the rate of interest is 20%.
III - money becomes four times in 10 years if it gets doubled in 5 years.
Study the line graph and answer the question that follows. The line graph represents the number of vehicles (in thousands) manufactured by two automobile companies A and B over the years from 2010 to 2015. The X-axis represents the years and the Y-axis represents number of vehicles in thousands. (The data shown here is only for mathematical exercise. They do not represent the actual figures of the country.) Company B is projecting an increase in the number of vehicles to be manufactured in 2016 by 70% with respect to its average number of vehicles from 2010 to 2015. What should be the approximate percentage increase in the number of vehicles (in thousands) to be manufactured by Company A in 2016 with respect to the number of vehicles in 2015, so that it is at par with Company B?
The line chart given below shows the birth rate (per thousand persons) and death rate (per thousand persons) of countries P, Q, R and S in the year 2018. Which of the following statement(s) is/are correct? I. Birth rate of country Q is 9.2 percent more than country R. II. Birth rate of country R is 11.76 percent more than the birthrate of country S. III. Birth rate of country Q is 32 percent more than the birth rate of country S.
The population of a metropolitan city doubled every 8 years from 1975 to 1999. what was the percentage increase in population during this time?