IBPS PO Prelims 2021 - Quantitative Aptitude

1.		Find the ratio of the number of boys enrolled in Carom to the number of girls enrolled in the same activity.

151 : 790

141 : 790

2 : 9

23 : 17

59 : 31

2.		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%

3.		A shopkeeper wants to make a profit of 20% on an article after selling it, while he gives a cash discount of 20%. Further allows 4 more articles for free after purchase of one dozen articles to his premium customer. How much per cent above the cost price he must mark his article?

85%

90%

110%

80%

100%

4.		R, S and T started a business by investing Rs. 25000, Rs. 15000 and Rs.30000 respectively. If the total profit earned is Rs. 58800 and it is decided that one-third of the profit will be divided into their investment ratio and rest of the amount will be invested in another work, then what is the share of T?

4200

8000

7400

8400

None of these

5.

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

6.		A school has 45% girls. If 80% of girls score more than 75% marks and 70% of the boys have score more than 75% marks. If a student is selected at random and is found to have more than 75% marks, find the probability of it being a boy.

77/149

75/149

Cannot be determined

11/20

9/20

7.

In the given question, two equations numbered l and II are given. Solve both the equations and mark the appropriate answer.

I. x2 – 37x + 330 = 0

II. y2 – 28y + 195 = 0

x > y

x < y

x ≥ y

x ≤ y

x = y or relationship between x and y cannot be established.

8.		A shopkeeper purchased two types of wheat costing Rs. 220 per kg and Rs. 300 per kg. In what ratio should he mix the wheat so that he could sell the mixture at the rate of Rs. 360 per kg in order to earn the profit of 25%?

4 : 15

2 : 17

4 : 17

3 : 16

3 : 17

9.

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

10.		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