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CDS Exam ELEMENTARY MATHEMATICS Study Material

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Data Interpretation

In the diagram given below, the circle represents the educated; the large represents the healthy and the small rectangle, the rich people.

The educated people who are neither rich nor healthy are partly represented by

a) 1
b) 2
c) 5
d) 6

✔Answer

✔Solution

Correct Answer Is : 1

Solution Is : (A) The educated people who are neither rich nor healthy are partly represented by 1.

In the diagram given below, the circle represents the educated; the large represents the healthy and the small rectangle, the rich people.

The non-educated people who are not healthy are represented by

a) 2
b) 4
c) 6
d) None of these

✔Answer

✔Solution

Correct Answer Is : None of these

Solution Is : (D) The non-educated people who are not healthy are represented by none

In the diagram given below, the circle represents the educated; the large represents the healthy and the small rectangle, the rich people.

Select the statement which is not true:

a) Education is essential for being rich
b) Health is essential for being rich
c) All rich are healthy and educated
d) None of these

✔Answer

✔Solution

Correct Answer Is : None of these

Solution Is : (D) None of the statements are not true.

In the diagram given below, the circle represents the educated; the large represents the healthy and the small rectangle, the rich people.

Select the statement which is true:

a) The number of the educated who are not rich and healthy is nil
b) There are some rich who are not educated.
c) The health of people moving from 2 to 5 will change
d) People in 4 differ from people in 2 only in the status of health

✔Answer

✔Solution

Correct Answer Is : People in 4 differ from people in 2 only in the status of health

Solution Is : (D) The true statement is "People in 4 differ from people in 2 only in the status of health".

How many like neither burger nor pizza?

a) 10
b) 28
c) 16
d) 14

✔Answer

✔Solution

Correct Answer Is : 10

Solution Is : People who like neither burger nor pizza = Total people - people who like either burger or pizza = 90 - 80 = 10

Read the following information and answer the following questions below.
In a class of 90 students, 80 students like burger or pizza. 62 like burger and 56 like pizza.

How many don`t like burger?

a) 18
b) 28
c) 38
d) 48

✔Answer

✔Solution

Correct Answer Is : 28

Solution Is : Person who don?t like burger = Total person - Person who like burger = 90 - 62 = 28

Read the following information and answer the following questions below.
In a class of 90 students, 80 students like burger or pizza. 62 like burger and 56 like pizza.

How many like both burger and pizza ?

a) 24
b) 38
c) 32
d) 18

✔Answer

✔Solution

Correct Answer Is : 38

Solution Is : People who like both burger and pizza = Person who like burger + Person who like pizza - Person who like either burger or pizza = (62+56 ) - 80 = 118 - 80 = 38

The below table gives rice production in each year. Read and answer the following questions.

What was the decline in production in year 2008 compared to 2007?

a) 40%
b) 51%
c) 67%
d) 45%

✔Answer

✔Solution

Correct Answer Is : 40%

Solution Is : 2008 --> 429 2009 ---> 258 Decline % = (429 - 258 ) / 429 x 100 = 171 / 429 x 100 = 39.86 % = 40%

The below table gives rice production in each year. Read and answer the following questions.

What was the average production of rice in the period 2005 - 09?

a) 378
b) 389
c) 399
d) 412

✔Answer

✔Solution

Correct Answer Is : 389

Solution Is : Average production of rice = Total production / number of years = ( 325 + 438 + 429 + 258 + 495 ) / 5 = 1945 / 5 = 389

The below table gives rice production in each year. Read and answer the following questions.

What is the increased percentage of production in 2009 compared to year 2005?

a) 58.10%
b) 39.20%
c) 52.30%
d) 26.30%

✔Answer

✔Solution

CDS Exam ELEMENTARY MATHEMATICS Study Material

Data Interpretation

In the diagram given below, the circle represents the educated; the large represents the healthy and the small rectangle, the rich people.The educated people who are neither rich nor healthy are partly represented by

Correct Answer Is : 1

Solution Is : (A) The educated people who are neither rich nor healthy are partly represented by 1.

In the diagram given below, the circle represents the educated; the large represents the healthy and the small rectangle, the rich people.The non-educated people who are not healthy are represented by

Correct Answer Is : None of these

Solution Is : (D) The non-educated people who are not healthy are represented by none

In the diagram given below, the circle represents the educated; the large represents the healthy and the small rectangle, the rich people.Select the statement which is not true:

Correct Answer Is : None of these

Solution Is : (D) None of the statements are not true.

In the diagram given below, the circle represents the educated; the large represents the healthy and the small rectangle, the rich people.Select the statement which is true:

Correct Answer Is : People in 4 differ from people in 2 only in the status of health

Solution Is : (D) The true statement is "People in 4 differ from people in 2 only in the status of health".

How many like neither burger nor pizza?

Correct Answer Is : 10

Solution Is : People who like neither burger nor pizza = Total people - people who like either burger or pizza = 90 - 80 = 10

Read the following information and answer the following questions below. In a class of 90 students, 80 students like burger or pizza. 62 like burger and 56 like pizza. How many don`t like burger?

Correct Answer Is : 28

Solution Is : Person who don?t like burger = Total person - Person who like burger = 90 - 62 = 28

Read the following information and answer the following questions below. In a class of 90 students, 80 students like burger or pizza. 62 like burger and 56 like pizza. How many like both burger and pizza ?

Correct Answer Is : 38

Solution Is : People who like both burger and pizza = Person who like burger + Person who like pizza - Person who like either burger or pizza = (62+56 ) - 80 = 118 - 80 = 38

The below table gives rice production in each year. Read and answer the following questions. What was the decline in production in year 2008 compared to 2007?

Correct Answer Is : 40%

Solution Is : 2008 --> 429 2009 ---> 258 Decline % = (429 - 258 ) / 429 x 100 = 171 / 429 x 100 = 39.86 % = 40%

The below table gives rice production in each year. Read and answer the following questions. What was the average production of rice in the period 2005 - 09?

Correct Answer Is : 389

Solution Is : Average production of rice = Total production / number of years = ( 325 + 438 + 429 + 258 + 495 ) / 5 = 1945 / 5 = 389

The below table gives rice production in each year. Read and answer the following questions. What is the increased percentage of production in 2009 compared to year 2005?

Correct Answer Is : 52.30%

Solution Is : 2005 ---> 325 2009 ---> 495 % increase = (495 - 325 )/ 325 x 100 = 170 / 325 x 100 = 52.30 %

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In the diagram given below, the circle represents the educated; the large represents the healthy and the small rectangle, the rich people.

The educated people who are neither rich nor healthy are partly represented by

In the diagram given below, the circle represents the educated; the large represents the healthy and the small rectangle, the rich people.

The non-educated people who are not healthy are represented by

In the diagram given below, the circle represents the educated; the large represents the healthy and the small rectangle, the rich people.

Select the statement which is not true:

In the diagram given below, the circle represents the educated; the large represents the healthy and the small rectangle, the rich people.

Select the statement which is true:

Read the following information and answer the following questions below.
In a class of 90 students, 80 students like burger or pizza. 62 like burger and 56 like pizza.

How many don`t like burger?

Read the following information and answer the following questions below.
In a class of 90 students, 80 students like burger or pizza. 62 like burger and 56 like pizza.

How many like both burger and pizza ?

The below table gives rice production in each year. Read and answer the following questions.

What was the decline in production in year 2008 compared to 2007?

The below table gives rice production in each year. Read and answer the following questions.

What was the average production of rice in the period 2005 - 09?

The below table gives rice production in each year. Read and answer the following questions.

What is the increased percentage of production in 2009 compared to year 2005?