Data Interpretation

Tables, bar/pie/line graphs and calculation-based questions.

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Q1 · Data Interpretation · EASY
The following table shows the number of students enrolled in five different courses at a coaching centre over three years. Course | 2021 | 2022 | 2023 -------|------|------|------ Maths | 120 | 150 | 180 Science| 100 | 110 | 130 English| 90 | 95 | 100 History| 80 | 85 | 90 Geography| 70 | 75 | 80 What is the total number of students enrolled in all courses in 2022?
Q2 · Data Interpretation · MEDIUM
A bar graph shows the production of rice (in thousand tonnes) in five districts of Tamil Nadu in 2023: Thanjavur: 80 Trichy: 60 Nagapattinam: 70 Thiruvarur: 50 Pudukkottai: 40 What is the percentage of rice production in Thanjavur compared to the total production across all five districts?
Q3 · Data Interpretation · MEDIUM
A pie chart shows the distribution of a family's monthly expenditure of Rs. 40,000: Food: 30% Rent: 25% Education: 20% Transport: 15% Others: 10% If the expenditure on Food increases by 20% and all other expenditures remain the same, what will be the new total monthly expenditure?
Q4 · Data Interpretation · EASY
A line graph shows the sales (in lakhs of rupees) of a company over six months: January: 50 February: 55 March: 60 April: 58 May: 65 June: 70 What is the average monthly sales for the period from January to June?
Q5 · Data Interpretation · HARD
The table below shows the number of male and female employees in four departments of a government office: Department | Male | Female -----------|------|------- Administration | 40 | 30 Accounts | 35 | 25 IT | 50 | 20 HR | 30 | 40 What is the ratio of total male employees to total female employees across all departments?