Important for CAT 2025, 26 📊 Daily DI Exercise – Day 1

Topic: Table-Based DI | Calculation Focus

Table: Sales Data of Four Companies over Five Years (in ₹ Crores)

Year	Company A	Company B	Company C	Company D
2018	120	150	100	130
2019	140	160	120	135
2020	160	180	110	140
2021	180	175	150	145
2022	200	190	160	150

📌 Questions:

Q1.

What is the average annual sales of Company A over the five years?

Q2.

In which year did Company B record the highest percentage increase in sales compared to the previous year?

Q3.

What is the ratio of the total sales of Company C to the total sales of Company D over the five years?

Q4.

By what percentage did Company A’s sales increase from 2018 to 2022?

Q5.

What was the combined sales of all companies in 2020?

✅ Answer Key & Explanation:

Q1. Average of Company A:

Q1. Average of Company A:

120+140+160+180+200/5     =800/5=160 crores

Q2. Percentage increase for Company B:

• 2019: 160−150/150 ×100=6.67%

• 2020: 180−160/160 ×100=12.5% ✅ (Highest)

• 2021: 175−180/180 ×100=−2.78%

• 2022: 190−175/175 ×100=8.57%

Answer: Year 2020

Q3. Ratio (Total Sales C : Total Sales D)

• Company C: 100 + 120 + 110 + 150 + 160 = 640

• Company D: 130 + 135 + 140 + 145 + 150 = 700

Ratio=640:700=64:70=32:35

Q4. Percentage Increase (Company A from 2018 to 2022)

(200−120)/120 ×100 = 80/120 ×100 = 66.67%

Q5. Combined Sales in 2020:

160+180+110+140=590 crores