IBPS PO Prelims 2021 - Quantitative Aptitude

1.		The total number of girls in Quiz is approximately what percent of the total number of students in Quiz?

18%

72%

62%

28%

36%

2.		What should come in place of the question mark '?' in the following number series? 46, ?, 284, 345, 378, 391

187

180

190

175

192

3.		A alone can complete a work in 25 days and B alone can do the same work in 20 days. A started the work and after working 7 days B joined A to finish the remaining work. In how many days, the total work will be finished?

8 days

15 days

9 days

12 days

None of these

4.		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

5.		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%

6.		There is 80% increase in an amount in 8 years at simple interest. What will be the compound interest on Rs. 15,000 after 3 years at the same rate of interest?

Rs. 4,565

Rs. 5,000

Rs. 4,550

Rs. 4,695

Rs. 4,965

7.		A alone can complete a work in 25 days and B alone can do the same work in 20 days. A started the work and after working 7 days B joined A to finish the remaining work. In how many days, the total work will be finished?

8 days

15 days

9 days

12 days

None of these

8.

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

I. x2 – 35x + 294 = 0

II. y2 – 68y + 1140 = 0

x > y

x < y

x ≥ y

x ≤ y

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

9.		What will come in place of question mark (?) in the following number series? 17, 52, 158, 477, ?, 4310

1433

1432

1435

1434

None of these

10.		What is the ratio between the number of female workers and female employees of five companies?

1 : 5

1 : 4

2 : 5

1 : 3

2 : 3