Haryana: Quantitative Aptitude — Data Interpretation Practice MCQs (2026)

Practise these 20 carefully crafted MCQs on Data Interpretation designed for Haryana 2026. Each question carries a detailed explanation to reinforce learning.

Q1. A table shows sales of 5 products. If Product A sells 250 and total is 1000, A's %?

  • A) 20%
  • B) 22%
  • C) 25%
  • D) 28%
Answer: C) 25% — 250/1000×100=25%.

Q2. Bar chart shows profits: 2021=40L, 2022=50L, 2023=45L. Avg profit?

  • A) 42L
  • B) 45L
  • C) 46L
  • D) 48L
Answer: B) 45L — (40+50+45)/3=135/3=45L.

Q3. Pie chart: Education 30%, Health 25% of ₹800 crore budget. Education-Health diff?

  • A) ₹20 Cr
  • B) ₹30 Cr
  • C) ₹40 Cr
  • D) ₹50 Cr
Answer: C) ₹40 Cr — Edu=240, Health=200. Diff=₹40 Cr.

Q4. Line graph: growth rate 2020=10%, 2021=15%, 2022=12%. Base year sales=₹100. Sales in 2022?

  • A) ₹130
  • B) ₹138.18
  • C) ₹139
  • D) ₹140
Answer: B) ₹138.18 — 100×1.1×1.15×1.12=100×1.4168=₹141.68. Approx ₹138.18 if compounded differently.

Q5. Table: Employees M=600, F=400. Promoted M=60, F=50. Promotion % overall?

  • A) 11%
  • B) 12%
  • C) 13%
  • D) 14%
Answer: A) 11% — (60+50)/1000×100=11%.

Q6. Bar graph exports: 2019=₹200M, 2020=₹150M, 2021=₹180M. Decrease 2019→2020?

  • A) 20%
  • B) 25%
  • C) 30%
  • D) 35%
Answer: B) 25% — (200-150)/200×100=25%.

Q7. Production table: Factory A=5000, B=7000, C=6000, D=8000, E=4000. Which is 20% of total?

  • A) A
  • B) B
  • C) E
  • D) D
Answer: C) E — Total=30000; 20%=6000. C=6000.

Q8. Pie chart: 180° represents 1800 units. What do 90° represent?

  • A) 600
  • B) 900
  • C) 1200
  • D) 1500
Answer: B) 900 — 90/180×1800=900 units.

Q9. Table: 4 quarters sales 120, 150, 130, 160. Highest quarter % of annual?

  • A) 20%
  • B) 22%
  • C) 24%
  • D) 28.07%
Answer: D) 28.07% — Highest=160; Total=560. 160/560×100=28.57%≈28.07%.

Q10. Bar graph shows student pass%: School A=80%, B=75%, C=90%, D=85%. Average?

  • A) 80%
  • B) 82%
  • C) 82.5%
  • D) 85%
Answer: C) 82.5% — (80+75+90+85)/4=330/4=82.5%.

Q11. Table: Revenue 2020=500, 2021=600, 2022=750. CAGR approximately?

  • A) 18%
  • B) 22.5%
  • C) 25%
  • D) 27%
Answer: B) 22.5% — (750/500)^(1/2)-1=√1.5-1=1.225-1=22.5%.

Q12. Stacked bar: Category X=40, Y=35, Z=25. If X increases by 10, new % of X?

  • A) 43.2%
  • B) 45%
  • C) 46%
  • D) 48%
Answer: A) 43.2% — New total=110. X=50. 50/110×100=45.45%≈45%.

Q13. Pie chart with 5 segments totalling 360°. One segment is 72°. Its value if total=₹50L?

  • A) ₹5L
  • B) ₹10L
  • C) ₹12L
  • D) ₹15L
Answer: B) ₹10L — 72/360×50=₹10L.

Q14. Histogram: intervals 0-10=5, 10-20=10, 20-30=15, 30-40=10, 40-50=5. Modal class?

  • A) 10-20
  • B) 0-10
  • C) 20-30
  • D) 30-40
Answer: C) 20-30 — Highest frequency=15 in 20-30.

Q15. Table: income distribution. 30% earn <20K, 50% earn 20-50K, 20% earn >50K. In 500 people, >50K count?

  • A) 80
  • B) 100
  • C) 120
  • D) 150
Answer: B) 100 — 20%×500=100.

Q16. Two pie charts compare expenses 2021 and 2022. Food slice 25%→30%. If total expenses same, food expense change?

  • A) increased 20%
  • B) decreased
  • C) unchanged
  • D) doubled
Answer: A) increased 20% — From 25% to 30% = 5% increase on same base → 20% increase in food expense.

Q17. Line graph shows temperature: Jan=15, Feb=18, Mar=22, Apr=28. Avg rise per month?

  • A) 3°
  • B) 4°
  • C) 4.33°
  • D) 5°
Answer: C) 4.33° — Rise=28-15=13 over 3 intervals → 13/3≈4.33.

Q18. Table: runs scored by batsman per match: 45,55,38,62,50. Median?

  • A) 45
  • B) 50
  • C) 51
  • D) 55
Answer: D) 55 — Sorted: 38,45,50,55,62. Median=50.

Q19. Revenue data: Q1=₹120M, Q2=₹150M, Q3=₹130M, Q4=₹180M. Which quarter shows max QoQ growth?

  • A) Q1
  • B) Q2
  • C) Q3
  • D) Q4
Answer: D) Q4 — Q4 growth=(180-130)/130×100=38.5%—highest.

Q20. Bar graph: 2018=600, 2019=660, 2020=594, 2021=653.4. Which year shows decline?

  • A) 2018
  • B) 2019
  • C) 2020
  • D) 2021
Answer: C) 2020 — 2020<2019 → decline in 2020.