# Quantitative Aptitude for IBPS RRB Clerk Mains: 1st October 2018

**Dear Students,**

Numerical Ability or Quantitative Aptitude Section has given heebie-jeebies to the aspirants when they appear for a banking examination. As the level of every other section is only getting complex and convoluted, there is no doubt that this section, too, makes your blood run cold. The questions asked in this section are calculative and very time-consuming. But once dealt with proper strategy, speed, and accuracy, this section can get you the maximum marks in the examination. Following is the Quantitative Aptitude quiz to help you practice with the best of latest pattern questions.

**Directions (1-5): Find the wrong term that does not follow the sequence followed by other terms in each of the following number series**

**Q1. 12, 8, 16, 48, 169, 770.5**

(a) 770.5

(b) 8

(c) 48

(d) 16

(e) 169

**Q2. 9, 10, 12, 27, 92, 435**

(a) 9

(b) 12

(c) 92

(d) 10

(e) 27

**Q3. 120, 660, 370, 579, 390, 570**

(a) 660

(b) 370

(c) 570

(d) 390

(e) 579

**Q4. 16, 32, 64, 88, 148, 358**

(a) 16

(b) 64

(c) 358

(d) 88

(e) 32

**Q5. 6, 30, 150, 450, 1350, 1575**

(a) 150

(b) 1350

(c) 6

(d) 30

(e) 1575

**Solutions (1-5):**

**Q6. A started a business by investing some money and B invested Rs. 5000 more than that of A. A remained in business for 5 months and B remained in business for 1 month more than A. Out of the total profit of Rs. 26000, B got Rs. 6000 more than A. Find the capitals invested by A and B.**

(a) Rs. 29,000, Rs. 18,000

(b) Rs. 25,000, Rs. 30,000

(c) Rs. 15,000, Rs. 10,000

(d) Rs. 15,000, Rs. 20,000

(e) None of these

**Q7. The probability that a student will pass in Mathematics is 3/5 and the probability that he will pass in English is 1/3. If the probability that he will pass in both Mathematics and English is 1/8, what is the probability that he will pass in at least one subject?**

(a) 79/120

(b) 87/120

(c) 53/120

(d) 120/297

(e) 73/127

**Q8. The RBI lends a certain amount to the SBI on simple interest for two years at 15%. The SBI gives this entire amount to Bharti Telecom on compound interest for two years at the same rate annually. Find the percentage earning of the SBI at the end of two years on the entire amount.**

(a) 3%

(b) 3.25%

(c) 3.5%

(d) 2.25%

(e) None of these

**Q9. The average marks of the students in four sections A, B, C and D together is 60%. The average marks of the students of A, B C and D individually are 45%, 50%, 72% and 80% respectively. If the average marks of the students of section A and B together is 48% and that of the students of B and C together is 60%. What is the ratio of number of students in sections A and D?**

(a) 2 : 3

(b) 4 : 3

(c) 5 : 3

(d) 3 : 5

(e) 3 : 4

**Q10. A and B completed a work together in 5 days. Had A worked at twice the speed and B at half the speed, it would have taken them 4 days to complete the job. How much time would it take for A alone to do the work?**

(a) 10 days

(b) 20 days

(c) 25 days

(d) 15 days

(e) 30 days

**Solutions (6-10):**

**Directions (11-15): Given below are the pie-chart showing the percentage distribution of boys and girls of a college in different departments. (Note: total number of boys are 20% more than the total number of girls)**

**Q11. If the difference between number of boys and number of girls in IT department is 3, then find the total number of students studying in CSc in the college.**

(a) 625

(b) 725

(c) 615

(d) 680

(e) 700

**Q12. Total number of boys in ECE and Civil together is what times of the difference between girls in CSc and girls in electrical?**

(a) 4

(b) 5

(c) 6

(d) 8

(e) 4.5

**Q13. If total number of boys in mechanical are 108% more than total no. of girls in mechanical, then find the difference between boys in mechanical and girls in mechanical?**

(a) 50

(b) 255

(c) 155

(d) Data inadequate

(e) None of these

**Q14. If 25% of the girls of mechanical change their department from mechanical to CSc, then the new number of girls in CSc is how much more than boys in CSc. (Given that there are 192 boys in electrical department)**

(a) 160

(b) 150

(c) 175

(d) 195

(e) 208

**Q15. Find the total number of students in the college, if in annual exams 45% of the total boys passed, 32% of the total girls passed, while a total of 2150 students passed.**

(a) 5100

(b) 5500

(c) 5000

(d) 6000

(e) 5250

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