Study the given bar graph and pie chart to answer the following questions. 

The bar chart represents sales of four companies C1, C2, C3 and C4 (in millions) for the year 2012, 2013 and 2014.

Consider the bar chart and answer questions based on it.

The combined sales of C2 in 2012 and 2014 is how much more than that of C3 for the same years?

The bar chart represents sales of four companies C1, C2, C3 and C4 (in millions) for the year 2012, 2013 and 2014.

Consider the bar chart and answer questions based on it.

Which two companies showed increase in their sales from 2012 to 2013?

The bar chart represents sales of four companies C1, C2, C3 and C4 (in millions) for the year 2012, 2013 and 2014.

Consider the bar chart and answer questions based on it.

The ratio of combined sales of C1 and C4 in the year 2013 to that of year 2012 is

If the total number of bikes sold in 2009 was 6000, then according to the given data, bikes of which colours were sold equally?

The bar graph represents the favorite fruits of Grade 4 students.

What is the total number of students in the class?

The bar graph shows the number of soldiers in the armies of different countries. Study the diagram and answer the following questions.

If country D spends $20000 per soldier annually, then how much does it spend (in $ millions) on all its soldiers annually?

The bar graph shows the number of soldiers in the armies of different countries. Study the diagram and answer the following questions.

Number of soldiers of country F is greater than those of country A by ___________.

The bar graph shows the number of soldiers in the armies of different countries. Study the diagram and answer the following questions.

Which country has the least number of soldiers?