# IBPS RRB Numerical Ability Practice Set 7

Get Practice IBPS RRB Numerical Ability online Test Questions And Answers practice Test 7 for Prelims 2019-2020 . Mock Practice test

1 .Study the information carefully to answer the questions that follow:

A school consisting of a total of 1560 students has boys and girls in the ratio of 7:5. All the students are enrolled in different types of hobby classes, viz Singing, Dancing and Painting. One fifth of the boys are enrolled in only Dancing classes. Twenty percent of the girls are enrolled in only Painting classes. Ten percent of the boys are enrolled in only Singing classes. Twenty four percent of the girls are enrolled in both Singing and Dancing classes together. The number of girls enrolled in only Singing classes is two hundred percent of the boys enrolled in the same. One thirteenth of the boys are enrolled in all the three classes together. The ratio of boys enrolled in Dancing and Painting classes together to the girls enrolled in the same is 2 : 1. Ten percent of the girl s are enrolled in only Dancing classes whereas eight percent of the girls are enrolled in both Dancing and P inting classes together. The remaining girls are enrolled in all the three classes together. The number of boys enrolled in Singing and Dancing classes together is fifty percent of the number of girls enrolled in the same. The remaining boys are enrolled in only Painting classes.
What is the total number of boys who are enrolled in Dancing?
318
364
292
434
None of these

2 .Study the information carefully to answer the questions that follow:

A school consisting of a total of 1560 students has boys and girls in the ratio of 7:5. All the students are enrolled in different types of hobby classes, viz Singing, Dancing and Painting. One fifth of the boys are enrolled in only Dancing classes. Twenty percent of the girls are enrolled in only Painting classes. Ten percent of the boys are enrolled in only Singing classes. Twenty four percent of the girls are enrolled in both Singing and Dancing classes together. The number of girls enrolled in only Singing classes is two hundred percent of the boys enrolled in the same. One thirteenth of the boys are enrolled in all the three classes together. The ratio of boys enrolled in Dancing and Painting classes together to the girls enrolled in the same is 2 : 1. Ten percent of the girl s are enrolled in only Dancing classes whereas eight percent of the girls are enrolled in both Dancing and Painting classes together. The remaining girls are enrolled in all the three classes together. The number of boys enrolled in Singing and Dancing classes together is fifty percent of the number of girls enrolled in the same. The remaining boys are enrolled in only Painting classes.
Total number of girls enrolled in Singing is approximately what percent of the total number of students in the school?
37
19
32
14
26

3 .Study the information carefully to answer the questions that follow:

A school consisting of a total of 1560 students has boys and girls in the ratio of 7:5. All the students are enrolled in different types of hobby classes, viz Singing, Dancing and Painting. One fifth of the boys are enrolled in only Dancing classes. Twenty percent of the girls are enrolled in only Painting classes. Ten percent of the boys are enrolled in only Singing classes. Twenty four percent of the girls are enrolled in both Singing and Dancing classes together. The number of girls enrolled in only Singing classes is two hundred percent of the boys enrolled in the same. One thirteenth of the boys are enrolled in all the three classes together. The ratio of boys enrolled in Dancing and Painting classes together to the girls enrolled in the same is 2 : 1. Ten percent of the girl s are enrolled in only Dancing classes whereas eight percent of the girls are enrolled in both Dancing and Painting classes together. The remaining girls are enrolled in all the three classes together. The number of boys enrolled in Singing and Dancing classes together is fifty percent of the number of girls enrolled in the same. The remaining boys are enrolled in only Painting classes.
What is the total number of students enrolled in all the three classes together?
135
164
187
142
None of these

4 .Study the information carefully to answer the questions that follow:

A school consisting of a total of 1560 students has boys and girls in the ratio of 7:5. All the students are enrolled in different types of hobby classes, viz Singing, Dancing and Painting. One fifth of the boys are enrolled in only Dancing classes. Twenty percent of the girls are enrolled in only Painting classes. Ten percent of the boys are enrolled in only Singing classes. Twenty four percent of the girls are enrolled in both Singing and Dancing classes together. The number of girls enrolled in only Singing classes is two hundred percent of the boys enrolled in the same. One thirteenth of the boys are enrolled in all the three classes together. The ratio of boys enrolled in Dancing and Painting classes together to the girls enrolled in the same is 2 : 1. Ten percent of the girl s are enrolled in only Dancing classes whereas eight percent of the girls are enrolled in both Dancing and Painting classes together. The remaining girls are enrolled in all the three classes together. The number of boys enrolled in Singing and Dancing classes together is fifty percent of the number of girls enrolled in the same. The remaining boys are enrolled in only Painting classes.
Number of girls enrolled in only Dancing classes is what percent of the boys enrolled in the same? (rounded off to two digits after decimal)
38.67
35.71
41.83
28.62
None of these

5 .Study the information carefully to answer the questions that follow:

A school consisting of a total of 1560 students has boys and girls in the ratio of 7:5. All the students are enrolled in different types of hobby classes, viz Singing, Dancing and Painting. One fifth of the boys are enrolled in only Dancing classes. Twenty percent of the girls are enrolled in only Painting classes. Ten percent of the boys are enrolled in only Singing classes. Twenty four percent of the girls are enrolled in both Singing and Dancing classes together. The number of girls enrolled in only Singing classes is two hundred percent of the boys enrolled in the same. One thirteenth of the boys are enrolled in all the three classes together. The ratio of boys enrolled in Dancing and Painting classes together to the girls enrolled in the same is 2 : 1. Ten percent of the girl s are enrolled in only Dancing classes whereas eight percent of the girls are enrolled in both Dancing and Painting classes together. The remaining girls are enrolled in all the three classes together. The number of boys enrolled in Singing and Dancing classes together is fifty percent of the number of girls enrolled in the same. The remaining boys are enrolled in only Painting classes.
What is the ratio of the number of girls enrolled in only Painting classes to the number of boys enrolled in the same?
77 : 26
21 : 73
26 : 77
73 : 21
None of these

6 .In the following questions two equations numbered I and II are given. You have to solve both the equations and, then Give answer

1
2
3
4
5

7 .In the following questions two equations numbered I and II are given. You have to solve both the equations and, then Give answer

1
2
3
4
5

8 .In the following questions two equations numbered I and II are given. You have to solve both the equations and, then Give answer

1
2
3
4
5

9 .In the following questions two equations numbered I and II are given. You have to solve both the equations and, then Give answer

1
2
3
4
5

10 .In the following questions two equations numbered I and II are given. You have to solve both the equations and, then Give answer

1
2
3
4
5

11 .Each of the questions below consi sts of a questi on two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and given answer.

(1) i f the data i n statement I al one are sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.
(2) i f the data in statement I I al one are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question.
(3) if the data either in statement I or in statement II alone are sufficient to answer the question.
(4) if the data even in both statements I and II together are not sufficient to answer the question.
(5) if the data in both statements I and II together are necessary to answer the question.
What is the average speed of a car?

I. The average speed of the car is five times the average speed of a truck whereas the average speed of a bus is 45km/hr.
II. The average speed of the truck is half the average speed of a train whereas the average speed of a jeep is 40 km/ hr.

1
2
3
4
5

12 .Each of the questions below consi sts of a questi on two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and given answer.

(1) i f the data i n statement I al one are sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.
(2) i f the data in statement I I al one are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question.
(3) if the data either in statement I or in statement II alone are sufficient to answer the question.
(4) if the data even in both statements I and II together are not sufficient to answer the question.
(5) if the data in both statements I and II together are necessary to answer the question.
What is the simple interest accrued on a principal of `5,000 in six years?

I. The rate of the simple interest for the first three years is 5 pcpa.
II. The rate of simple interest for the next three years is 8 pcpa.

1
2
3
4
5

13 .6 women and 6 men together can complete a piece of work in 6 days. In how many days can 15 men alone complete the same work if 9 women alone can complete it in 10 days?
6
5
7.2
Cannot be determined
None of these

14 .On a shelf there are 4 books on Economics, 3 books on Management and 4 books on Statistics. In how many different ways can the books be arranged so that the books on Economics are kept together?
967680
120960
5040
40320
None of these

15 .A car covers the first 39 km of its journey in 45 minutes and the remaining 25 km in 35 minutes. What is the average speed of the car?
40 km/hr
64 km/hr
49 km/hr
48 km/hr
None of these

16 .What should come in the place of questions marks (?) in the following questions?

90
80
200
240
none of these

17 .What should come in the place of questions marks (?) in the following questions?

20
45
25
50
none of these

18 .What should come in the place of questions marks (?) in the following questions?

480
420
729
840
none of these

19 .What should come in the place of questions marks (?) in the following questions?

25
36
20
40
none of these

20 .What should come in the place of questions marks (?) in the following questions?

4$5\over 8$
3$7\over 8$
8 $1\over 4$
3$1\over 4$
none of these