# IBPS RRB Clerk 2019 Mains: Quant Test Day 1

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- Question 1 of 10
##### 1. Question

1 pointsCategory: Quantitative Aptitude**Directions (Q1-5). The following graph shows the percentage of literate people in three different villages i.e. A, B and C in three different years i.e. 2012, 2015 and 2018. Based on the information given in this graph, answer the following questions.**

**In 2015, the ratio of populations of villages A, B and C are in ratio 3:2:5 respectively and the total number of illiterate people in all the villages together are 700. What is the population of village C in 2015?**Correct**Answer- 2) 1250**

Explanation-

Let the populations of villages A, B and C in 2015 are 3x, 2x and 5x respectively.

According to question,

34% of 3x + 39% of 2x + 20% of 5x = 700

1.02x + 0.78x + x = 700

2.8x = 700, x = 250

Population of village C in 2015 = 5 × 250 = 1250Incorrect**Answer- 2) 1250**

Explanation-

Let the populations of villages A, B and C in 2015 are 3x, 2x and 5x respectively.

According to question,

34% of 3x + 39% of 2x + 20% of 5x = 700

1.02x + 0.78x + x = 700

2.8x = 700, x = 250

Population of village C in 2015 = 5 × 250 = 1250 - Question 2 of 10
##### 2. Question

1 pointsCategory: Quantitative Aptitude**Directions (Q1-5). The following graph shows the percentage of literate people in three different villages i.e. A, B and C in three different years i.e. 2012, 2015 and 2018. Based on the information given in this graph, answer the following questions.**

**Number of illiterate people in Village A in 2018 are 225. What is the population of village A in 2018?**Correct**Answer- 3) 900**

Explanation-

Let the population of village A in 2018 is 100x.

According to question,

25x = 225

x = 9, 100x = 900Incorrect**Answer- 3) 900**

Explanation-

Let the population of village A in 2018 is 100x.

According to question,

25x = 225

x = 9, 100x = 900 - Question 3 of 10
##### 3. Question

1 pointsCategory: Quantitative Aptitude**Directions (Q1-5). The following graph shows the percentage of literate people in three different villages i.e. A, B and C in three different years i.e. 2012, 2015 and 2018. Based on the information given in this graph, answer the following questions.**

**What is the number of literate people in village C in 2018 if the total population of village C in 2018 is 1800?**Correct**Answer- 1) 1710**

Explanation-

Number of literate people in village C in 2018 = 95% of 1800 = 1710Incorrect**Answer- 1) 1710**

Explanation-

Number of literate people in village C in 2018 = 95% of 1800 = 1710 - Question 4 of 10
##### 4. Question

1 pointsCategory: Quantitative Aptitude

**Total number of illiterate people in villages A and B together in 2012 are 649 and total number of literate people in the same villages in same year are 601. The population of village B in 2012 is how much more than the population of village A in the same year?**Correct**Answer- 5) 150**

Explanation-

Let the population of village A and village B in 2012 are x and y respectively.

Then,

52% of x + 45% of y = 601

48% of x + 55% of y = 649

By solving both equations, we have,

x = 550, y = 700

required difference = 700 – 550 = 150Incorrect**Answer- 5) 150**

Explanation-

Let the population of village A and village B in 2012 are x and y respectively.

Then,

52% of x + 45% of y = 601

48% of x + 55% of y = 649

By solving both equations, we have,

x = 550, y = 700

required difference = 700 – 550 = 150 - Question 5 of 10
##### 5. Question

1 pointsCategory: Quantitative Aptitude

**The ratio of population of village C in 2012 to the population of village B in 2018 is 5:6 respectively. Total number of illiterate people in these villages in these years are 1044. What is the total number of literate people in these villages in the same years?**Correct**Answer- 5) 2256**

Explanation-

Let the population of village C in 2012 and population of village B in 2018 are 5x and 6x respectively.

Then,

42% of 5x + 23% of 6x = 1044

2.1x + 1.38x = 1044

3.48x = 1044, x = 300

Total population of these villages in these years together = 11 × 300 = 3300

Required number of people = 3300 – 1044 = 2256Incorrect**Answer- 5) 2256**

Explanation-

Let the population of village C in 2012 and population of village B in 2018 are 5x and 6x respectively.

Then,

42% of 5x + 23% of 6x = 1044

2.1x + 1.38x = 1044

3.48x = 1044, x = 300

Total population of these villages in these years together = 11 × 300 = 3300

Required number of people = 3300 – 1044 = 2256 - Question 6 of 10
##### 6. Question

1 pointsCategory: Quantitative Aptitude**Directions (Q6-10).**Different number of employees work in six companies i.e. A, B, C, X, Y and Z. The number of employees in company B are 22% less than that of company A. The number of employees in company X are half the number of employees in company C. Number of employees in company Y is equal to the average number of employees working in company A and X. Number of employees working in company A are 140 more than the number of employees working in company X. Total number of employees working in companies B and C together are 1249.**Number of employees working in company Y are:**Correct**Answer- 4) 480**

Explanation-

Let the number of employees working in company A are x.

Then,

Number of employees in company B = 78% of x = 0.78x

Let the number of employees in company X are y.

Then, number of employees in company C = 2y

Number of employees in company Y = (x + y)/2

According to question,

x – y = 140

Also,

0.78x + 2y = 1249

By solving both the equations, we have,

x = 550, y = 410Number of employees in company A = 550

Number of employees in company B = 0.78 × 550 = 429

Number of employees in company X = 410

Number of employees in company C = 2 × 410 = 820

Number of employees in company Y = (550 + 410)/2 = 480Incorrect**Answer- 4) 480**

Explanation-

Let the number of employees working in company A are x.

Then,

Number of employees in company B = 78% of x = 0.78x

Let the number of employees in company X are y.

Then, number of employees in company C = 2y

Number of employees in company Y = (x + y)/2

According to question,

x – y = 140

Also,

0.78x + 2y = 1249

By solving both the equations, we have,

x = 550, y = 410Number of employees in company A = 550

Number of employees in company B = 0.78 × 550 = 429

Number of employees in company X = 410

Number of employees in company C = 2 × 410 = 820

Number of employees in company Y = (550 + 410)/2 = 480 - Question 7 of 10
##### 7. Question

1 pointsCategory: Quantitative Aptitude**Directions (Q6-10).**Different number of employees work in six companies i.e. A, B, C, X, Y and Z. The number of employees in company B are 22% less than that of company A. The number of employees in company X are half the number of employees in company C. Number of employees in company Y is equal to the average number of employees working in company A and X. Number of employees working in company A are 140 more than the number of employees working in company X. Total number of employees working in companies B and C together are 1249.**Number of employees in company A are how much more than the number of employees in company B?**Correct**Answer- 2) 121**

Explanation-

Required difference = 550 – 429 = 121 (watch solution of Q6).Incorrect**Answer- 2) 121**

Explanation-

Required difference = 550 – 429 = 121 (watch solution of Q6). - Question 8 of 10
##### 8. Question

1 pointsCategory: Quantitative Aptitude**Directions (Q6-10).**Different number of employees work in six companies i.e. A, B, C, X, Y and Z. The number of employees in company B are 22% less than that of company A. The number of employees in company X are half the number of employees in company C. Number of employees in company Y is equal to the average number of employees working in company A and X. Number of employees working in company A are 140 more than the number of employees working in company X. Total number of employees working in companies B and C together are 1249.**The total number of employees working in companies X, Y and Z together are 1515. The number of employees working in company Z is square of which of the following number?**Correct**Answer- 5) 25**

Explanation-

Number of employees working in company Z = 1515 – (410+ 480) = 625

Required number = √625 = 25Incorrect**Answer- 5) 25**

Explanation-

Number of employees working in company Z = 1515 – (410+ 480) = 625

Required number = √625 = 25 - Question 9 of 10
##### 9. Question

1 pointsCategory: Quantitative Aptitude**Directions (Q6-10).**Different number of employees work in six companies i.e. A, B, C, X, Y and Z. The number of employees in company B are 22% less than that of company A. The number of employees in company X are half the number of employees in company C. Number of employees in company Y is equal to the average number of employees working in company A and X. Number of employees working in company A are 140 more than the number of employees working in company X. Total number of employees working in companies B and C together are 1249.**Number of employees working in company C are:**Correct**Answer- 2) 820**

Explanation-

Number of employees in company C = 820 (watch solution of Q6)Incorrect**Answer- 2) 820**

Explanation-

Number of employees in company C = 820 (watch solution of Q6) - Question 10 of 10
##### 10. Question

1 pointsCategory: Quantitative Aptitude**Directions (Q6-10).**Different number of employees work in six companies i.e. A, B, C, X, Y and Z. The number of employees in company B are 22% less than that of company A. The number of employees in company X are half the number of employees in company C. Number of employees in company Y is equal to the average number of employees working in company A and X. Number of employees working in company A are 140 more than the number of employees working in company X. Total number of employees working in companies B and C together are 1249.**Ratio of male employees to female employees in company C is 25:16 respectively and in company Y it is 5:3. Total number of female employees working in both companies together are:**Correct**Answer- 4) 500**

Explanation-

Total number of female employees working in companies C and Y together = 16/41 × 820 + 3/8 × 480 = 320 + 180 = 500Incorrect**Answer- 4) 500**

Explanation-

Total number of female employees working in companies C and Y together = 16/41 × 820 + 3/8 × 480 = 320 + 180 = 500

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