IBPS RRB PO Prelims 12 sep 2020 Questions and Answers Detailed Explanation

MOST IMPORTANT previous year question answers - 1 EXERCISES

Top 20,000+ All Competitive Exam Previous Year Question And Memory Based Exercises

Directions:

Read the chart carefully and answer the following questions.

Given pie-chart shows the percentage distribution of total items sold by six Indian companies in any year.

IBPS RRB PO Prelims 2020
[IBPS RRB (PO) Prelims 2020]

The following question based on IBPS RRB PO topic of previous year question answers

Questions : If China makes 97500 items which is 3900 more than items manufactured by India, then nd average of items sold by B and D?

(a) 10982

(b) 12432

(c) 14508

(d) 11204

e) 14454

The correct answers to the above question in:

Answer: (c)

Items manufactured by India = 97500 – 3900

= 93600

Required average = 93600 x $\text"16 + 15"/100$ x $1/2$

= 14508

Practice IBPS RRB PO (IBPS RRB PO Prelims 12 sep 2020) Online Quiz

Discuss Form

Valid first name is required.
Please enter a valid email address.
Your genuine comment will be useful for all users! Each and every comment will be uploaded to the question after approval.

Read more ibps rrb po prelims 12 sep 2020 Based Previous Year Questions and Answers

Question : 1

Find the ratio between items sold by B to that of items sold by E

a) 16 : 17

b) 16 : 19

c) 17 : 18

d) 18 : 19

e) 15 : 16

Answer: (a)

Required Ratio = 16 : 17

Question : 2

If total items manufactured by India is 11160 and defective items are 840 then find the items sold by C is how much more or less than E? (items which are defective cannot be sold)

a) 426

b) 516

c) 624

d) 712

e) 564

Answer: (b)

Total items which can be sold =11160-840=10320

Required difference = $\text"17 - 12"/100 x 10320$ = 516

Directions:

Given below are two quantities named I and II. Based on the given information, you have to determine the relation between the two quantities. You should use the given data and your knowledge of Mathematics to choose among the possible answers.

Calculate quantity I and quantity II on the basis of the given information then compare them and answer the following questions accordingly.

[IBPS RRB (PO) Prelims 2020]

Question : 3

  • Quantity I:
  • Present ages of A and B are in the ratio of 4: 5 respectively. Present ages of C and D are in the ratio of 5: 6 respectively. The present average age of A, B, C and D is 40 years and 6 months. Age of A after 2 years will be half the age of D 6 years hence. Find the present average age of B and C.

  • Quantity II:
  • 39 years

a) Quantity I > Quantity II

b) Quantity I < Quantity II

c) Quantity I ≥ Quantity II

d) Quantity I ≤ Quantity II

e) Quantity I = Quantity II or No relation

Answer: (b)

Quantity I:
Let the present ages of A and B are 4x and 5x years respectively and the present ages of C and D are 5y and 6y years respectively.
So, sum of the ages of A, B, C and D = 4x + 5x + 5y + 6y = 40.5 x 4
So, 9x + 11y = 162
Also given that,
2 x (4x+2) = 6y + 6
So, 4x – 3y = 1
From both the equation, we get,
x = 7 and y = 9
So, the present ages of A, B, C and D are 28, 35, 45 and 54 respectively.
The present average age of B and C = $\text"35 + 45"/2$ = 40 years


Quantity II: 39
Therefore, Quantity I > Quantity II
So option (a) is the correct answer.

Question : 4

If total items manufactured by India is 42000, then find items sold by F is what per cent more or less than items sold by D?

a) 60%

b) 66$2/3$%

c) 40%

d) 33$1/3$%

e) 25%

Answer: (d)

Required percentage = $\text"20 - 15"/15 x 100$

= 33$1/3$%

Question : 5

If items manufactured by Pakistan is 50400 which is 20% more than items manufactured by India, then nd difference of items sold by C and E?

a) 2600

b) 2400

c) 1800

d) 1600

e) 2100

Answer: (e)

items manufactured by India = 50400 x $100/120$ = 42000

Required Difference = 42000 x $\text"17 - 12"/100$

= 2100

Question : 6

A and B together take 6 days to complete a work. If it is given that A takes 9 days less than B to complete the work alone, then in how many days B alone will complete the work?

a) 18

b) 15

c) 12

d) 9

e) 8

Answer: (a)

Let the minimum of days taken by B alone to complete the work be x days.

Number of days taken day A alone to complete the work

= x – 9 days

$1/x + 1/\text"x - 9" = 1/6$

$\text"x(x - 9)"/\text"2x - 9" = 6$

x2 - 9x = 12x - 54

x2 - 21x + 54 = 0

x2 - 18x -3x + 54 = 0

x(x - 18) -3(x - 18) = 0

(x - 3)(x - 18) = 0

x = 3 , 18

X cannot be 3 as the number of days can’t be negative for any person

x = 18 days

Number of days taken by B alone = x = 18 days

Hence, the answer is A.

GET IBPS RRB PO PRACTICE TEST EXERCISES

IBPS RRB PO Prelims 12 sep 2020

Recently Added Subject & Categories For All Competitive Exams

100+ Quadratic Equation Questions Answers PDF for Bank

Quadratic Equation multiple choice questions with detailed answers for IBPS RRB SO. more than 250 Attitude practice test exercises for all competitive exams

03-Jul-2024 by Careericons

Continue Reading »

IBPS Aptitude Linear Equations MCQ Questions Answers PDF

Linear equations multiple choice questions with detailed answers for IBPS RRB SO. more than 250 Attitude practice test exercises for all competitive exams

03-Jul-2024 by Careericons

Continue Reading »

New 100+ Compound Interest MCQ with Answers PDF for IBPS

Compound Interest verbal ability questions and answers solutions with PDF for IBPS RRB PO. Aptitude Objective MCQ Practice Exercises all competitive exams

02-Jul-2024 by Careericons

Continue Reading »

100+ Mixture and Alligation MCQ Questions PDF for IBPS

Most importantly Mixture and Alligation multiple choice questions and answers with PDF for IBPS RRB PO. Aptitude MCQ Practice Exercises all Bank Exams

02-Jul-2024 by Careericons

Continue Reading »