Study the following graph carefully to answer the given questions

 T and V started the work. After 3 days Z joined them, who can complete alone the same whole work in 3 days. What is the total number of days in which they had completed the work?

A bar graph shows unit production and unit sold of the different type of mobile company A, B, C, D E and F. Study the bar graph and give the answer of following questions.

What is the difference between unit produced and unit sold of Mobile C Company?

Directions : The graph shows the demand and production of different companies. Study the graph and answer the following questions.

What is the second large demand company?

Directions : Study the following frequency polygon and answer the questions. Given a line graph showing the number of students passed in Higher Secondary Examination in a school over the years 2008 to 2013.

The increase in percentage of passed students from 2008 to 2011 approximately is 

Direction: Study the following graph and answer the given question.

What was the difference between the average amount invested in raw materials during the given period and the average value of sales of finished goods during this period?

Directions:  Study the bar-graph given below & answer the questions.
Pie-chart given below shows the percentage distribution of total no. of boys in six different Schools.
Total Boys in all schools together = 6400

Total student in another school H is 250% more than the boys in school B and ratio of boys to girls in school H is 1 : 2. Then find number of boys in school H?

The following Charts shows the amount of grain exported (in million kg ) by a country during 2013–18.

What is the maximum per cent more than the minimum export in the given period?

Direction: Study the following table carefully to answer these questions.

What is the average number of students appeared from all the schools in 2007?