Data Interpretation

What you'll learn

Learn to read tables, bar, line and pie graphs and caselets quickly, and crack percentage-, ratio- and average-based DI using exam shortcuts built for the tight timing and 0.25 negative marking of IBPS and SBI prelims.

This chapter has

Data Interpretation — solved practice questions

8 Banking Quantitative Aptitude questions with step-by-step solutions. Attempt each, then reveal the answer.

1. Q1easy

   A store sold shirts from Monday to Friday as follows: 120, 150, 90, 180 and 160. What is the average number of shirts sold per day?

   • A130
   • B135
   • C145
   • D140
   Show answer & solution

   Correct answer: (D) 140

   Total sold = 120 + 150 + 90 + 180 + 160 = 700; average = 700 ÷ 5 = 140.

2. Q2easy

   In a survey of 1200 people, 45% preferred tea and the rest preferred coffee. How many people preferred coffee?

   • A660
   • B600
   • C540
   • D720
   Show answer & solution

   Correct answer: (A) 660

   Coffee lovers = 55% of 1200 = 0.55 × 1200 = 660.

3. Q3easy

   A family's monthly income of Rs 60,000 is spent as Rent 30%, Food 25%, Education 20% and Savings 25%. How much is spent on Food?

   • A12000
   • B15000
   • C18000
   • D20000
   Show answer & solution

   Correct answer: (B) 15000

   Food = 25% of 60000 = 0.25 × 60000 = Rs 15,000.

4. Q4medium

   In 2020 company A produced 4500 cars and company B produced 3600 cars. By approximately what percentage was A's production more than B's?

   • A20%
   • B22.5%
   • C25%
   • D27.5%
   Show answer & solution

   Correct answer: (C) 25%

   Difference = 900; (900 ÷ 3600) × 100 = 25%.

5. Q5medium

   A college had 800 students in 2018, 1000 in 2019, 1200 in 2020 and 900 in 2021. What is the ratio of students in 2019 to 2021?

   • A9:10
   • B5:4
   • C10:9
   • D4:5
   Show answer & solution

   Correct answer: (C) 10:9

   1000 : 900 simplifies to 10 : 9 by dividing both by 100.

6. Q6medium

   A bakery produced 2400 cakes in a month; 3/8 were chocolate, 1/4 were vanilla and the rest were fruit. How many fruit cakes were produced?

   • A600
   • B750
   • C850
   • D900
   Show answer & solution

   Correct answer: (D) 900

   Chocolate = 900 and vanilla = 600, so fruit = 2400 − 1500 = 900.

7. Q7medium

   A firm's quarterly sales (Rs lakh) were Q1 = 25, Q2 = 30, Q3 = 35 and Q4 = 40. What is the percentage increase in sales from Q1 to Q4?

   • A40%
   • B60%
   • C50%
   • D75%
   Show answer & solution

   Correct answer: (B) 60%

   Increase = 40 − 25 = 15; (15 ÷ 25) × 100 = 60%.

8. Q8medium

   In a class of 50 students the ratio of boys to girls is 3:2. If 5 more girls join, what is the new ratio of boys to girls?

   • A3:2
   • B5:6
   • C5:4
   • D6:5
   Show answer & solution

   Correct answer: (D) 6:5

   Boys = 30, girls = 20; after 5 join, girls = 25, so 30 : 25 = 6 : 5.

Want the full set? Practise all 15 Data Interpretation questions →