Competitive Exams : Quantitative Aptitude - DI (Tabular/Bar/Pie) (Set 1) | Concept of Maths

Question 1

1. What is the total production of all three products in the year 2021?

A) 45,000 units

B) 55,000 units

C) 65,000 units

D) 50,000 units

Answer

Correct Answer: B

Solution: Total production in 2021 = Product $A$ + Product $B$ + Product $C$ = $12 + 18 + 25 = 55$. Since units are in '000, Total = $55,000$.

Question 2

2. What is the average production of Product A over the three given years?

A) 11,000 units

B) 13,000 units

C) 12,333 units

D) 15,000 units

Answer

Correct Answer: C

Solution: Average = $$\frac{Sum}{Count}$$ = $$\frac{10 + 12 + 15}{3} = \frac{37}{3} \approx 12.333$$. In units, it is $12,333$.

Question 3

3. What is the ratio of the production of Product B in 2020 to the production of Product C in 2022?

A) 1 : 2

B) 2 : 1

C) 3 : 4

D) 5 : 6

Answer

Correct Answer: A

Solution: Product $B$ (2020) = $15$. Product $C$ (2022) = $30$. Ratio = $15 : 30 = 1 : 2$.

Question 4

4. What is the percentage increase in the production of Product C from 2020 to 2021?

A) 10%

B) 20%

C) 15%

D) 25%

Question 5

5. What is the difference between the total number of students in College X and College Y?

A) 10

B) 0

C) 20

D) 5

Answer

Correct Answer: B

Solution: Total $X = 40+60+50 = 150$. Total $Y = 50+40+60 = 150$. Difference = $150 - 150 = 0$.

Question 6

6. What is the ratio of Science students in College X to Science students in College Y?

A) 2 : 3

B) 1 : 1

C) 3 : 2

D) 4 : 5

Answer

Correct Answer: C

Question 7

7. Commerce students in College Y are what percentage of the total students in College Y?

A) 40%

B) 50%

C) 60%

D) 30%

Answer

Correct Answer: A

Solution: Commerce $(Y) = 60$. Total $(Y) = 150$. Percentage = $$\frac{60}{150} \times 100 = 40%$$.

Question 8

8. How much money (in ₹) is spent on Food monthly?

A) ₹ 10,000

B) ₹ 12,500

C) ₹ 15,000

D) ₹ 20,000

Answer

Correct Answer: C

Solution: Food expenditure = $30%$ of $₹ 50,000$ = $0.30 \times 50000 = ₹ 15,000$.

Question 9

9. What is the central angle corresponding to the expenditure on Rent in the pie chart?

A) $60^\circ$

B) $72^\circ$

C) $90^\circ$

D) $108^\circ$

Answer

Correct Answer: B

Question 10

10. What is the difference (in ₹) between the amount spent on Food and Rent?

A) ₹ 2,500

B) ₹ 10,000

C) ₹ 7,500

D) ₹ 5,000

Answer

Correct Answer: D

Solution: Difference in percentage = $30% - 20% = 10%$. Difference in amount = $10%$ of $50,000 = ₹ 5,000$.

Competitive Exams : Quantitative Aptitude - DI (Tabular/Bar/Pie) (Set 1) | Concept of Maths