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NIACL Assistant Data Interpretation Questions with Answers & Explanations

20 Data Interpretation questions from the Quantitative Aptitude section of NIACL Assistant, each with the correct answer and a worked explanation. Try each question first, then tap Show answer to check. When you're ready, take the timed chapter-wise test to see your all-India rank.

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Question 1

Study the table and answer the question. Number of refrigerators sold by Company Q (in units): 2019: 775 2020: 275 2021: 325 2022: 625 2023: 475 What is the total number of refrigerators sold in all five years?

  1. A2375
  2. B2575
  3. C2475
  4. D2525
  5. E2450
Show answer
Answer: (C) 2475
Question 2

Study the table and answer the question. Number of refrigerators sold by Company Q (in units): 2019: 775 2020: 275 2021: 325 2022: 625 2023: 475 What is the average number of refrigerators sold per year?

  1. A510
  2. B500
  3. C495
  4. D475
  5. E480
Show answer
Answer: (C) 495
Question 3

Study the table and answer the question. Number of refrigerators sold by Company Q (in units): 2019: 775 2020: 275 2021: 325 2022: 625 2023: 475 In which year were the most refrigerators sold?

  1. A2019
  2. B2021
  3. C2023
  4. D2022
  5. E2020
Show answer
Answer: (A) 2019
Question 4

Study the table and answer the question. Number of refrigerators sold by Company Q (in units): 2019: 775 2020: 275 2021: 325 2022: 625 2023: 475 What is the ratio of sales in 2019 to sales in 2022?

  1. A25 : 31
  2. B31 : 25
  3. C31 : 26
  4. D1 : 1
  5. E32 : 25
Show answer
Answer: (B) 31 : 25
Question 5

Study the table and answer the question. Number of refrigerators sold by Company Q (in units): 2019: 775 2020: 275 2021: 325 2022: 625 2023: 475 By what percentage did sales change from 2019 to 2022? (approximately)

  1. A19%
  2. B−29%
  3. C−19%
  4. D−14%
  5. E−9%
Show answer
Answer: (C) −19% Change = (625 − 775) ÷ 775 × 100 ≈ -19%.
Question 6

Study the table and answer the question. Number of laptops sold by Company P (in units): 2019: 475 2020: 750 2021: 650 2022: 200 2023: 600 What is the total number of laptops sold in all five years?

  1. A2775
  2. B2650
  3. C2575
  4. D2675
  5. E2750
Show answer
Answer: (D) 2675
Question 7

Study the table and answer the question. Number of laptops sold by Company P (in units): 2019: 475 2020: 750 2021: 650 2022: 200 2023: 600 What is the average number of laptops sold per year?

  1. A530
  2. B535
  3. C540
  4. D545
  5. E515
Show answer
Answer: (B) 535
Question 8

Study the table and answer the question. Number of laptops sold by Company P (in units): 2019: 475 2020: 750 2021: 650 2022: 200 2023: 600 In which year were the most laptops sold?

  1. A2023
  2. B2020
  3. C2019
  4. D2021
  5. E2022
Show answer
Answer: (B) 2020
Question 9

Study the table and answer the question. Number of laptops sold by Company P (in units): 2019: 475 2020: 750 2021: 650 2022: 200 2023: 600 What is the ratio of sales in 2021 to sales in 2022?

  1. A26 : 9
  2. B13 : 4
  3. C1 : 1
  4. D4 : 13
  5. E27 : 8
Show answer
Answer: (B) 13 : 4
Question 10

Study the table and answer the question. Number of laptops sold by Company P (in units): 2019: 475 2020: 750 2021: 650 2022: 200 2023: 600 By what percentage did sales change from 2020 to 2022? (approximately)

  1. A−83%
  2. B−73%
  3. C−68%
  4. D73%
  5. E−63%
Show answer
Answer: (B) −73% Change = (200 − 750) ÷ 750 × 100 ≈ -73%.

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Question 11

Study the table and answer the question. Number of mobile phones sold by Company P (in units): 2019: 500 2020: 900 2021: 1000 2022: 625 2023: 350 What is the total number of mobile phones sold in all five years?

  1. A3375
  2. B3475
  3. C3400
  4. D3450
  5. E3350
Show answer
Answer: (A) 3375
Question 12

Study the table and answer the question. Number of mobile phones sold by Company P (in units): 2019: 500 2020: 900 2021: 1000 2022: 625 2023: 350 What is the average number of mobile phones sold per year?

  1. A695
  2. B670
  3. C685
  4. D655
  5. E675
Show answer
Answer: (E) 675
Question 13

Study the table and answer the question. Number of mobile phones sold by Company P (in units): 2019: 500 2020: 900 2021: 1000 2022: 625 2023: 350 In which year were the most mobile phones sold?

  1. A2020
  2. B2023
  3. C2019
  4. D2022
  5. E2021
Show answer
Answer: (E) 2021
Question 14

Study the table and answer the question. Number of mobile phones sold by Company P (in units): 2019: 500 2020: 900 2021: 1000 2022: 625 2023: 350 What is the ratio of sales in 2021 to sales in 2022?

  1. A8 : 5
  2. B41 : 25
  3. C1 : 1
  4. D5 : 8
  5. E20 : 13
Show answer
Answer: (A) 8 : 5
Question 15

Study the table and answer the question. Number of mobile phones sold by Company P (in units): 2019: 500 2020: 900 2021: 1000 2022: 625 2023: 350 By what percentage did sales change from 2019 to 2023? (approximately)

  1. A−25%
  2. B−20%
  3. C30%
  4. D−30%
  5. E−40%
Show answer
Answer: (D) −30% Change = (350 − 500) ÷ 500 × 100 ≈ -30%.
Question 16

Study the table and answer the question. Number of refrigerators sold by Company Q (in units): 2019: 525 2020: 300 2021: 300 2022: 300 2023: 425 What is the total number of refrigerators sold in all five years?

  1. A1800
  2. B1825
  3. C1900
  4. D1875
  5. E1850
Show answer
Answer: (E) 1850
Question 17

Study the table and answer the question. Number of refrigerators sold by Company Q (in units): 2019: 525 2020: 300 2021: 300 2022: 300 2023: 425 What is the average number of refrigerators sold per year?

  1. A380
  2. B355
  3. C390
  4. D370
  5. E365
Show answer
Answer: (D) 370
Question 18

Study the table and answer the question. Number of refrigerators sold by Company Q (in units): 2019: 525 2020: 300 2021: 300 2022: 300 2023: 425 In which year were the most refrigerators sold?

  1. A2023
  2. B2019
  3. C2021
  4. D2022
  5. E2020
Show answer
Answer: (B) 2019
Question 19

Study the table and answer the question. Number of refrigerators sold by Company Q (in units): 2019: 525 2020: 300 2021: 300 2022: 300 2023: 425 By what percentage did sales change from 2020 to 2022? (approximately)

  1. A10%
  2. B5%
  3. C−10%
  4. D0%
  5. ENone of these
Show answer
Answer: (D) 0% Change = (300 − 300) ÷ 300 × 100 ≈ 0%.
Question 20

Study the table and answer the question. Number of laptops sold by Company P (in units): 2019: 200 2020: 350 2021: 875 2022: 1000 2023: 250 What is the total number of laptops sold in all five years?

  1. A2575
  2. B2600
  3. C2675
  4. D2750
  5. E2625
Show answer
Answer: (C) 2675

These are RankerClub practice questions written in the NIACL Assistant pattern. They are not official SSC/IBPS/RRB papers.

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