Quantitative Aptitude - Data Interpretation Questions

The given table represents the marks obtained by four students W, X, Y and Z in four subjects P, C, B and M with the maximum marks in each subject being 100.

The average marks of the four students in M is

The data collected from which one of the following methods is not a primary data?

The HR department of an MNC prepared a report. The pie chart from this report represents all the employees of the MNC and the languages that they speak. Study the diagram and answer the following questions.

What is the total number of employees of the MNC?

The pie chart represents the favourite stars (Bollywood stars SRK, SK, AK, HR and VD) of the people of a family.

If there are 40 people in the family, what is the difference between those who like AK and those who like VD?

The pie chart shows the results of an online survey which asked people about their favourite movie. Study the diagram and answer the following questions.

Which movie is the favourite of most people surveyed?

The bar graph shows the production of the different departments of a company. Study the diagram and answer the following questions.

If the average cost a unit produced by department C is Rs 250 then what is the cost of the production (in Rs) of all units produced by department C? 

The bar graph shows average marks scored in a 100 marks History exam by students of 7 divisions of standard X. Study the diagram and answer the following questions.

If all students of Division C lost 10 marks each for cheating in the test then their new average marks would decrease by how much?

The line graph shows the number of vacancies for sales officers in a certain company. Study the diagram and answer the following questions.

What was the difference in the number of vacancies between the years 2015 and 2012?