Data-Interpretation

Question 1

What is the average marks obtained by all the six students in Chemistry?

A
86.66
B
76.66
C
66.66
D
60.00
Question 1 Explanation: 
Given marks are in percentages.
Average marks obtained by all students in chemistry=Total marks /Number of students
Total marks=130 × 0.5 + 0.6 × 130 + 0.6 × 130 + 0.75 × 130 + 0.8 × 130 + 0.75 × 130
=520
Average =520/6=86.66
Question 2

In which subject the performance of the students is worst in terms of percentage of marks?
A
Chemistry
B
Physics
C
Biology
D
English
Question 2 Explanation: 
Chemistry = (130 × 0.5 + 0.6 × 130 + 0.6 × 130 + 0.75 × 130 + 0.8 × 130 + 0.75 × 130) / 780 = 520/780=66.66
Physics = (120 × 0.8 + 0.7 × 120 + 0.85 × 120 + 0.65 × 120 + 0.7 × 120 + 0.56 × 120) / 720 = 511.2/720 =71
Biology = (60+40+80+90+85+80) / 600 = 72.5
English = (70+80+60+90+50+40) / 600 = 65
English subject is worst in terms of percentage.
Question 3

What is the overall percentage of marks obtained by Amar?
A
70%
B
72%
C
60%
D
58.33%
Question 3 Explanation: 
Overall percentage of marks obtained by Amar= (1x150 + 0.6x130 + 0.7x120 + 0.4x100 + 0.8 x 100) / (150 + 130 + 120 + 100 + 100)
=432/600
=72%
Question 4

How many students obtained 60% and above marks in all the subjects?
A
Three
B
Two
C
One
D
Zero
Question 4 Explanation: 
Only Sanya and Rahul obtained 60% and above marks in all subjects.
Question 5

What was the aggregate of marks obtained by Sanya in all the five subjects?

A
375
B
395
C
455
D
475
Question 5 Explanation: 
Aggregate marks of sanya obtained in all five subjects
=0.9x150 + 0.6x130 + 0.85x120 + 0.8x100 + 0.6x100
=455
Question 6
The following table shows the monthly income and various expinditures, of six friends A-F in absolute value or in percentage ( in terms of monthly income) form. Some values (marked as '-') are missing in the table which you are expected to calculate if required. Based on the data in the table, answer the question: Income and Expenditure Details

Note:
(a) Monthly Income = Salary + Incentive.
(b) Incentive amounts to 15% of salary.
(c) All six friends save 40% of their monthly income.
(d) There is no expenditure other than those given in the table.
What is the total amount (in ₹ ) spent by all the six friends together on Travelling?
A
85634
B
85643
C
84634
D
84436
Question 7
The following table shows the monthly income and various expinditures, of six friends A-F in absolute value or in percentage ( in terms of monthly income) form. Some values (marked as '-') are missing in the table which you are expected to calculate if required. Based on the data in the table, answer the question: Income and Expenditure Details

Note:
(a) Monthly Income = Salary + Incentive.
(b) Incentive amounts to 15% of salary.
(c) All six friends save 40% of their monthly income.
(d) There is no expenditure other than those given in the table.
What is the difference in the amount spent by B on Food and Shopping together and that of C on accommodation?
A
₹ 11,412
B
₹ 11,532
C
₹ 11,512
D
₹ 11,332
Question 8
The following table shows the monthly income and various expinditures, of six friends A-F in absolute value or in percentage ( in terms of monthly income) form. Some values (marked as '-') are missing in the table which you are expected to calculate if required. Based on the data in the table, answer the question: Income and Expenditure Details

Note:
(a) Monthly Income = Salary + Incentive.
(b) Incentive amounts to 15% of salary.
(c) All six friends save 40% of their monthly income.
(d) There is no expenditure other than those given in the table.
What is the amount saved (in ₹) by all the six friends together?
A
223760
B
237360
C
237630
D
273360
Question 9
The following table shows the monthly income and various expinditures, of six friends A-F in absolute value or in percentage ( in terms of monthly income) form. Some values (marked as '-') are missing in the table which you are expected to calculate if required. Based on the data in the table, answer the question: Income and Expenditure Details

Note:
(a) Monthly Income = Salary + Incentive.
(b) Incentive amounts to 15% of salary.
(c) All six friends save 40% of their monthly income.
(d) There is no expenditure other than those given in the table.
The annual income of D is ₹ _______ less than that of A.
A
4600
B
52300
C
55200
D
4900
Question 10
The following table shows the monthly income and various expinditures, of six friends A-F in absolute value or in percentage ( in terms of monthly income) form. Some values (marked as '-') are missing in the table which you are expected to calculate if required. Based on the data in the table, answer the question: Income and Expenditure Details

Note:
(a) Monthly Income = Salary + Incentive.
(b) Incentive amounts to 15% of salary.
(c) All six friends save 40% of their monthly income.
(d) There is no expenditure other than those given in the table.
Expenditure by A on Travelling constitutes approximately _____ % of the salary of F.
A
30
B
38
C
32
D
34
Question 11
The following table shows the percentage (%) distribution of total number of students and total number of girls studying in six colleges A-F. Total number of students and girls studying in all the colleges together are 60000 and 24000 respectively. Based on the data in the table, answer the questions
College-wise Distribution of Students

The ratio of the number of boys in College F with the number of boys in college D is
A
31:39
B
39:31
C
29:37
D
37:29
Question 12
The following table shows the percentage (%) distribution of total number of students and total number of girls studying in six colleges A-F.Total number of students and girls studying in all the colleges together are 60000 and 24000 respectively. Based on the data in the table, answer the questions College-wise Distribution of Students
The number of girls in College F is ____ % more than the number of girls in College A
A
25
B
30
C
40
D
50
Question 13
The following table shows the percentage (%) distribution of total number of students and total number of girls studying in six colleges A-F.Total number of students and girls studying in all the colleges together are 60000 and 24000 respectively. Based on the data in the table, answer the questions College-wise Distribution of Students
The difference between the number of boys and number of girls studying in College D is
A
4040
B
4080
C
7440
D
3360
Question 14
The following table sh0ws the percentage (%) distribution of total number of students and total number of girls studying in six colleges A-F.Total number of students and girls studying in all the colleges together are 60000 and 24000 respectively. Based on the data in the table, answer the questions College-wise Distribution of Students
The average of the number of boys studying in Collegs A,B and C is
A
4900
B
4700
C
4400
D
4800
Question 15
The following table shows the percentage (%) distribution of total number of students and total number of girls studying in six colleges A-F.Total number of students and girls studying in all the colleges together are 60000 and 24000 respectively. Based on the data in the table, answer the questions College-wise Distribution of Students
The number of girl students studying in College C as a percentage of the number of boys studying in College E is
A
70%
B
75%
C
80%
D
90%
Question 16
The following table presents the production of electronic items (TVs and LCDs) in a factory during the period from 2006 to 2010. Study the table carefully and answer the questions from 48 to 52:
Year    2006    2007    2008    2009    2010

TV       6000    9000    13000  11000  8000

LCDs  7000    9400    9000    10000  12000
 
  • What is the difference between averages of production of LCDs and TVs from 2006 to 2008?
A
3000
B
2867
C
3015
D
2400
E
None of the Above
Question 16 Explanation: 
(Wrong question)
Question 17
The following table presents the production of electronic items (TVs and LCDs) in a factory during the period from 2006 to 2010. Study the table carefully and answer the questions from 48 to 52:
Year    2006    2007    2008    2009    2010
TV      6000    9000    13000   11000   8000
LCDs   7000    9400    9000    10000  12000
What is the year in which production of TVs is half the production of LCDs in the year 2010?
A
2007
B
2006
C
2009
D
2008
Question 18
The following table presents the production of electronic items (TVs and LCDs) in a factory during the period from 2006 to 2010. Study the table carefully and answer the questions from 48 to 52:
Year    2006    2007    2008    2009    2010
TV      6000    9000    13000   11000   8000
LCDs   7000    9400    9000    10000  12000
What is the ratio of production of LCDs in the years 2008 and 2010?
A
4 : 3
B
3 : 4
C
1 : 3
D
2 : 3
Question 19
The following table presents the production of electronic items (TVs and LCDs) in a factory during the period from 2006 to 2010. Study the table carefully and answer the questions from 48 to 52:
Year     2006    2007    2008    2009    2010
TV       6000    9000    13000   11000   8000
LCDs   7000    9400    9000    10000   12000
What is the ratio of production of TVs in the years 2006 and 2007?
A
6 : 7
B
7 : 6
C
2 : 3
D
3 : 2
Question 20
Some students in a class exhibit great curiosity for learning. It may be because such children
A
Are gifted
B
Come from rich families
C
Show artificial behaviour
D
Create indiscipline in the class
Question 21
Consider the following two tables (I and II) that indicate the percentage of employees working in various departments of an organization along with the ratio of men to women in the same departments. The total number of employees in the organization is 4600. Based on these tables I and II, answer the questions that follow (Questions no. 31 – 35):



What is the total number of women in the Accounts department?
A
86
B
102
C
80
D
92
Question 22
Consider the following two tables (I and II) that indicate the percentage of employees working in various departments of an organization along with the ratio of men to women in the same departments. The total number of employees in the organization is 4600. Based on these tables I and II, answer the questions that follow (Questions no. 31 – 35):



What is the total number of employees working in the IT and HR departments together ?
A
1628
B
1646
C
1766
D
1702
Question 23
Consider the following two tables (I and II) that indicate the percentage of employees working in various departments of an organization along with the ratio of men to women in the same departments. The total number of employees in the organization is 4600. Based on these tables I and II, answer the questions that follow (Questions no. 31 – 35):



What is the ratio of the total number of men to total number of women working in all the departments put together?
A
63 : 41
B
41 : 27
C
53 : 47
D
27 : 19
Question 24
Consider the following two tables (I and II) that indicate the percentage of employees working in various departments of an organization along with the ratio of men to women in the same departments. The total number of employees in the organization is 4600. Based on these tables I and II, answer the questions that follow (Questions no. 31 – 35):



The number of women in the Purchase department forms what percentage of the total number of employees in the organization?
A
3%
B
6%
C
1%
D
12%
Question 25
Consider the following two tables (I and II) that indicate the percentage of employees working in various departments of an organization along with the ratio of men to women in the same departments. The total number of employees in the organization is 4600. Based on these tables I and II, answer the questions that follow (Questions no. 31 – 35):



What is the ratio of the number of men in the Production department to the number of men in the Marketing department ?
A
7 : 3
B
9 : 11
C
13 : 7
D
11 : 9
Question 26
The table below embodies data on the sales revenue (Rs. in lakh) generated by a publishing house during the years 2012-15 while selling books, magazines and journals as three categories of items. Answer questions 19 — 21 based on the data contained in the table.


The number of years in which there was an increase in revenue from at least two categories of items, is
A
0
B
1
C
2
D
3
Question 27
The table below embodies data on the sales revenue (Rs. in lakh) generated by a publishing house during the years 2012-15 while selling books, magazines and journals as three categories of items. Answer questions 19 — 21 based on the data contained in the table.


If the year 2016 were to show the same growth in terms of total sales revenue as the year 2015 over the year 2014, then the revenue in the year 2016 must be approximately:
A
Rs. 194 lakh
B
Rs. 187 lakh
C
Rs. 172 lakh
D
Rs. 177 lakh
Question 28
The table below embodies data on the sales revenue (Rs. in lakh) generated by a publishing house during the years 2012-15 while selling books, magazines and journals as three categories of items. Answer questions 19 — 21 based on the data contained in the table.


In 2015, approximately what percent of total revenue came from books?
A
45%
B
55%
C
35%
D
25%
Question 29
A University professor maintains data on MCA students tabulated by performance and gender of the students. The data is kept on a computer hard disk, but accidently sonic of it is lost because of a computer virus. Only the following could be recovered:

Panic buttons were pressed but to no avail. An expert committee was formed, which decided that the following facts were self evident:
(a) Half the students were either excellent or good.
(b) 40% of the students were females.
(c) One-third of the male students were average.
Answer questions 22 — 24 based on the data given above:

What proportion of female students are good?
A
0
B
0.25
C
0.5
D
0.75
Question 30
A University professor maintains data on MCA students tabulated by performance and gender of the students. The data is kept on a computer hard disk, but accidently sonic of it is lost because of a computer virus. Only the following could be recovered:

Panic buttons were pressed but to no avail. An expert committee was formed, which decided that the following facts were self evident:
(a) Half the students were either excellent or good.
(b) 40% of the students were females.
(c) One-third of the male students were average.
Answer questions 22 — 24 based on the data given above:

Approximately, what proportion of good students are male?
A
0
B
0.73
C
0.43
D
0.27
Question 31
A University professor maintains data on MCA students tabulated by performance and gender of the students. The data is kept on a computer hard disk, but accidently sonic of it is lost because of a computer virus. Only the following could be recovered:

Panic buttons were pressed but to no avail. An expert committee was formed, which decided that the following facts were self evident:
(a) Half the students were either excellent or good.
(b) 40% of the students were females.
(c) One-third of the male students were average.
Answer questions 22 — 24 based on the data given above:

How many female students are excellent?
A
0
B
8
C
16
D
32
Question 32
Given below in the table is the decadal data of Population and Electrical Power Production of a country.

Based on the above table, answer the questions from Sl. No. 37 to 42.

Which decade registered the maximum growth rate (%) of population?
A
1961-71
B
1971-81
C
1991-2001
D
2001-2011
Question 33
Given below in the table is the decadal data of Population and Electrical Power Production of a country.

Based on the above table, answer the questions from Sl. No. 37 to 42.

Average decadal growth rate (%) of population is:
A
~12.21%
B
~9.82%
C
~6.73%
D
~5%
Question 34
Given below in the table is the decadal data of Population and Electrical Power Production of a country.

Based on the above table, answer the questions from Sl. No. 37 to 42.

Based on the average decadal growth rate, what will be the population in the year 2021?
A
40.34 million
B
38.49 million
C
37.28 million
D
36.62 million
Question 35
Given below in the table is the decadal data of Population and Electrical Power Production of a country.

Based on the above table, answer the questions from Sl. No. 37 to 42.

In the year 1951, what was the power availability per person?
A
100 W
B
200 W
C
400 W
D
500 W
Question 36
Given below in the table is the decadal data of Population and Electrical Power Production of a country.

Based on the above table, answer the questions from Sl. No. 37 to 42.

In which decade, the average power availability per person was maximum?
A
1981-1991
B
1991-2001
C
2001-2011
D
1971-1981
Question 37
Given below in the table is the decadal data of Population and Electrical Power Production of a country.

Based on the above table, answer the questions from Sl. No. 37 to 42.

By what percentage (%) the power production increased from 1951 o 2011?
A
100%
B
300%
C
600%
D
900%
There are 37 questions to complete.

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