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Quantitative Aptitude Mathematical Puzzle for IBPS PO & CLERK

Quantitative Aptitude Mathematical Puzzle for IBPS PO & CLERK

Quantitative Aptitude Mathematical Puzzle for IBPS PO & CLERK

You can expect questions being asked in the form of Puzzles in Quantitative Aptitude section. The questions from this topic mainly require basic knowledge & concept of Percentage, Ratio & Proportion & Average. In this blog, we will be discussing questions based on this topic:

Direction (Q. 1-5): Study the following information carefully and answer the questions given below:

An organization consists of 1500 employees.The ratio of males to females is 17: 13. All the employees work at five different levels I, II, III, IV and V. 28% females are at level I. 18% males work at level II. 20% of males work at level V. The ratio of females to males at level II is 2: 3. 25% of the total number of employees is at level III. Females working at level V are 60% of the males working at level1.18% of the females are at level IV. The remaining females are at level III.20% of the males work at level I, and the remaining males work at level IV.

Q1. What is the total number of males who work at level I and III together?

(a) 495

(b) 498

(c) 447

(d) 398

(e) None of these

Q2. The number of females working at the level II is approximately what per cent of the total number of employees in the organisation?

(a) 12%

(b) 11%

(c) 15%

(d) 7%

(e) 21%

Q3. What is the number of females who work at level V?

(a) 115

(b) 105

(c) 125

(d) 315

(e) 102

Q4. What is the total number of females who work at level I and V together?

(a) 384

(b) 184

(c) 484

(d) 284

(e) 584

Q5. Find the ratio of the number of males working at level I to the number of females working at level III.

(a) 107:174

(b) 147:710

(c) 170:147

(d) 129:117

(e) None of these

Sol (1-5):

LevelIIIIIIIVVTotal
Male170153228129170850
Female182102147117102650

1. d; Total number of males working at level I and III together = 170 + 228 = 398

2. d;Reqd % = (102 / 1500) ×100 = 6.8% » 7%

3. e;

4.d;Total number of females working a level I and V together = 182 + 102 = 284

5. c;Reqd ratio = 170 / 147 = 170: 147

Directions (Q. 6 – 8): Study the information carefully to answer these questions.

Ina team there are 240 members (males and females). Two-thirds of them are males .Fifteen per cent of males are graduates. Remaining males are non-graduates.Three-fourths of the females are graduates. Remaining females arenon-graduates.

6. What is the difference between the number of females who are non-graduates and the number of males who aregraduates?

(a) 2

(b) 24

(c) 4

(d) 116

(e) 36

7. What is the sum of the number of females who are graduates and the number of males who are non-graduates?

(a) 184

(b) 96

(c) 156

(d) 84

(e) 196

8. What is the ratio of the total number of males to the number of females who are non-graduates?

(a) 6:1

(b) 8:1

(c) 8:3

(d) 5:2

(e) 7:2

Total number of members (males + females) = 240

Number of males = 240 × (2 / 3) = 160

Number of males who are graduates = 160 × (15 / 100) = 240

Number of males who are non graduates= 160 – 24 = 136

Number of females = 240 – 160 = 80

Now the number of females who are graduates = 80 ×(3 / 4)= 60

Number of females who are non graduates= 80 – 60 = 20

6.c; Difference = 24 – 20 = 4

7. e; Required sum = 60 + 136 = 196

8. b; Required ratio =160 / 20 = 8: 1

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January 15, 2019

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