IBPS PO Prelims 2021 - Quantitative Aptitude

1.

In the given question, two equations numbered l and II are given. You have to solve both the equations and mark the appropriate answer.

I. 16x2 – 32x + 15 = 0

II. 16y2 – 48y + 35 = 0

x > y

x < y

x ≥ y

x ≤ y

x = y or no relationship could be established

2.

Directions(21-25): Read the following data carefully and answer the questions given below:

There are 6300 students in Manipur University in the academic year 2020. The ratio of the boys to the girls in the University is 5 : 4. All the students are enrolled in different indoor activities (Chess, Carom, Debating, Painting, and Quiz) and one student is enrolled in only one indoor activity. The number of boys enrolled in the Painting is 621. The ratio of the number of boys who enrolled in Chess to the number of boys who enrolled in Carom is 5 : 3. 36% of the students are enrolled in Quiz. The number of boys enrolled in Debating is 25% of the total number of boys. The number of girls enrolled in Quiz is 640 which is 150 less than the number of girls enrolled in Carom. The number of girls enrolled in Chess is 186 more than the number of boys enrolled in the same activity. The total number of students enrolled in Painting is 816.

Find the percentage of students of the university who are enrolled in Chess. (approximately)

10%

20%

15%

25%

None of the above

3.		The difference in the number of boys and girls who are enrolled in painting is what percentage of the total number of students who are enrolled in Debating? (approximately)

20%

34%

26%

38%

None of the above

4.		The number of women working in the Production department of the Organisation is what percent of the total number of employees working in all the department together?

4%

6%

5%

7%

8%

5.		The income of Aman is Rs. 30,000 per month and his expenditure is Rs. 20,000 per month. In the next month, his income increases by Rs. 10,000 per month, and expenditure increases to Rs. 25,000 per month. In the next month, his savings increases by what percent?

55%

25%

100%

12.5%

None of these

6.

Directions(16-20): Degree - wise breakup of employees working in various department of an organisation and the ratio to men to women. Total Number of Employees = 6000

Department	Men	Women
Production	5	4
HR	20	13
IT	5	4
Marketing	7	10
Accounts	15	17

What is the number of men working in the marketing department?

240

360

420

720

500

7.		What will come in place of question mark (?) in the following number series? 7, 13, ?, 49, 97, 193

27

23

25

29

34

8.		In a class, there are certain numbers of students. Their average age is 12 years. If two students leave the class, their ages are 23 years and 25 years respectively. Then the average age of the class becomes 11 years. Find the number of students in the class.

25

28

30

26

35

9.

Direction (6-10): Read the following table carefully and answer the following questions:

Company	Total employees	Total workers	Male to female ratio
Company	Total employees	Total workers	Employees	Workers
A	28000	10000	3 : 4	2 : 3
B	25000	6000	2 : 3	2 : 1
C	22000	8000	5 : 6	1 : 3
D	30000	5000	2 : 1	4 : 1
E	40000	4000	5 : 3	1 : 1

Find the average male employees of five companies.

15600

16400

15400

16600

14400

10.		The number of men working in the IT department of the Organisation is approximately what percent of the total number of employees working in that department?

24%

56%

40%

72%

50%