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Delhi Police Exam Numerical Ability Study Material

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Bar diagram

Study the following bar-diagram carefully and answer the given question

Theratio between the number of students passed from university `A` in the year 2007 and that from university `B` in 2004 is

a) 5 : 4
b) 5 : 3
c) 5 : 6
d) 3 : 5

✔Answer

✔Solution

Correct Answer Is : 5 : 3

Solution Is : Required ratio = 50 / 30 = 5 : 3

Study the following bar-diagram carefully and answer the given question

Number of students passed from university `B` in the year 2008 expressed as a percentage of the total number of students passed from university `A` over the 6 yr is

a) 30
b) 20
c) 25
d) 35

✔Answer

✔Solution

Correct Answer Is : 25

Solution Is : Students from `B` in 2008 = 50 thousand
Students passed from A in all 6 years
= ( 20 + 20 + 30 + 50 + 50 + 30 )
= 200 thousands
REQUIRED PERCENTAGE = 50/200 X 100 = 25%

Study the following bar-diagram carefully and answer the given question

Therespective ratio between the number of students passed in the year 2007 , 2008 and 2004 from university B is

a) 6 : 5 : 3
b) 6 : 3 : 5
c) 3 : 5 :6
d) 6 : 3 : 3

✔Answer

✔Solution

Correct Answer Is : 6 : 3 : 3

Solution Is : Required ratio = 60 : 30 : 30 = 6 : 3 : 3

Study the following bar-diagram carefully and answer the given question

Thedifference between the total number of students passed from both the universities in the year 2008 combined together and the total number of students passed in the year 2004 from both the universities taken together is

a) 35000
b) 25000
c) 20000
d) 30000

✔Answer

✔Solution

Correct Answer Is : 30000

Solution Is : Total students passed in 2008 = 50 + 30 = 80 thousands
Total students passed in 2004 = 30 + 20 = 50 thousands
Required difference = ( 80 - 50 ) thousands
= 30,000

The following is a horizontal bar diagram showing the accidents in which two wheelers are involved with other objects . Study the diagram and answer the question .

Thepercentage of accidents in which pedestrians and cyclists are involved is

a) 60%
b) 20. 4.%
c) 24%
d) 6%

✔Answer

✔Solution

Correct Answer Is : 24%

Solution Is : Percentage of accident in which pedestrains and cyclists are involved
=pedestrains and cyclists /total number of accident x 100^% (240/1000x100%) =24%

The following is a horizontal bar diagram showing the accidents in which two wheelers are involved with other objects . Study the diagram and answer the question .

Thepercentage by which the accidents involving buses is less than the accidents involving tanker lorry is

a) 40%
b) 28%
c) 6%
d) 4%

✔Answer

✔Solution

Correct Answer Is : 4%

Solution Is : Therefore required percentage
=( 160=120/1000x100)%=4%

The following is a horizontal bar diagram showing the accidents in which two wheelers are involved with other objects . Study the diagram and answer the question .

Thedifference in percentage between the accidents involving two wheelers and other objects is respectively.

a) 54%more
b) 54%less
c) 77%more
d) 77%less

✔Answer

✔Solution

Correct Answer Is : 54%less

Solution Is :

The following is a horizontal bar diagram showing the accidents in which two wheelers are involved with other objects . Study the diagram and answer the question .

60% of the accidents happened due to

a) Two wheelers, cars, buses and stationary vehicles
b) Two wheelers , cars , buses and tanker lorry
c) Cars , buses , tanker lorry and pedestrians
d) Cars, tanker lorry, bicycles and stationary vehicles

✔Answer

✔Solution

Correct Answer Is : Two wheelers, cars, buses and stationary vehicles

Solution Is :

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Delhi Police Exam Numerical Ability Study Material

Bar diagram

Study the following bar-diagram carefully and answer the given question

Theratio between the number of students passed from university `A` in the year 2007 and that from university `B` in 2004 is

Correct Answer Is : 5 : 3

Solution Is : Required ratio = 50 / 30 = 5 : 3

Study the following bar-diagram carefully and answer the given question

Number of students passed from university `B` in the year 2008 expressed as a percentage of the total number of students passed from university `A` over the 6 yr is

Correct Answer Is : 25

Solution Is : Students from `B` in 2008 = 50 thousand
Students passed from A in all 6 years
= ( 20 + 20 + 30 + 50 + 50 + 30 )
= 200 thousands
REQUIRED PERCENTAGE = 50/200 X 100 = 25%

Study the following bar-diagram carefully and answer the given question

Therespective ratio between the number of students passed in the year 2007 , 2008 and 2004 from university B is

Correct Answer Is : 6 : 3 : 3

Solution Is : Required ratio = 60 : 30 : 30 = 6 : 3 : 3

Study the following bar-diagram carefully and answer the given question

Thedifference between the total number of students passed from both the universities in the year 2008 combined together and the total number of students passed in the year 2004 from both the universities taken together is

Correct Answer Is : 30000

Solution Is : Total students passed in 2008 = 50 + 30 = 80 thousands
Total students passed in 2004 = 30 + 20 = 50 thousands
Required difference = ( 80 - 50 ) thousands
= 30,000

The following is a horizontal bar diagram showing the accidents in which two wheelers are involved with other objects . Study the diagram and answer the question .

Thepercentage of accidents in which pedestrians and cyclists are involved is

Correct Answer Is : 24%

Solution Is : Percentage of accident in which pedestrains and cyclists are involved
=pedestrains and cyclists /total number of accident x 100^% (240/1000x100%) =24%

The following is a horizontal bar diagram showing the accidents in which two wheelers are involved with other objects . Study the diagram and answer the question .

Thepercentage by which the accidents involving buses is less than the accidents involving tanker lorry is

Correct Answer Is : 4%

Solution Is : Therefore required percentage
=( 160=120/1000x100)%=4%

The following is a horizontal bar diagram showing the accidents in which two wheelers are involved with other objects . Study the diagram and answer the question .

Thedifference in percentage between the accidents involving two wheelers and other objects is respectively.

Correct Answer Is : 54%less

Solution Is :

The following is a horizontal bar diagram showing the accidents in which two wheelers are involved with other objects . Study the diagram and answer the question .

60% of the accidents happened due to

Correct Answer Is : Two wheelers, cars, buses and stationary vehicles

Solution Is :

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Delhi Police Exam Numerical Ability Study Material

Bar diagram

Study the following bar-diagram carefully and answer the given questionTheratio between the number of students passed from university `A` in the year 2007 and that from university `B` in 2004 is

Correct Answer Is : 5 : 3

Solution Is : Required ratio = 50 / 30 = 5 : 3

Study the following bar-diagram carefully and answer the given questionNumber of students passed from university `B` in the year 2008 expressed as a percentage of the total number of students passed from university `A` over the 6 yr is

Correct Answer Is : 25

Solution Is : Students from `B` in 2008 = 50 thousand Students passed from A in all 6 years = ( 20 + 20 + 30 + 50 + 50 + 30 ) = 200 thousands REQUIRED PERCENTAGE = 50/200 X 100 = 25%

Study the following bar-diagram carefully and answer the given questionTherespective ratio between the number of students passed in the year 2007 , 2008 and 2004 from university B is

Correct Answer Is : 6 : 3 : 3

Solution Is : Required ratio = 60 : 30 : 30 = 6 : 3 : 3

Study the following bar-diagram carefully and answer the given questionThedifference between the total number of students passed from both the universities in the year 2008 combined together and the total number of students passed in the year 2004 from both the universities taken together is

Correct Answer Is : 30000

Solution Is : Total students passed in 2008 = 50 + 30 = 80 thousands Total students passed in 2004 = 30 + 20 = 50 thousands Required difference = ( 80 - 50 ) thousands = 30,000

The following is a horizontal bar diagram showing the accidents in which two wheelers are involved with other objects . Study the diagram and answer the question . Thepercentage of accidents in which pedestrians and cyclists are involved is

Correct Answer Is : 24%

Solution Is : Percentage of accident in which pedestrains and cyclists are involved =pedestrains and cyclists /total number of accident x 100^% (240/1000x100%) =24%

The following is a horizontal bar diagram showing the accidents in which two wheelers are involved with other objects . Study the diagram and answer the question . Thepercentage by which the accidents involving buses is less than the accidents involving tanker lorry is

Correct Answer Is : 4%

Solution Is : Therefore required percentage =( 160=120/1000x100)%=4%

The following is a horizontal bar diagram showing the accidents in which two wheelers are involved with other objects . Study the diagram and answer the question . Thedifference in percentage between the accidents involving two wheelers and other objects is respectively.

Correct Answer Is : 54%less

Solution Is :

The following is a horizontal bar diagram showing the accidents in which two wheelers are involved with other objects . Study the diagram and answer the question . 60% of the accidents happened due to

Correct Answer Is : Two wheelers, cars, buses and stationary vehicles

Solution Is :

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Study the following bar-diagram carefully and answer the given question

Theratio between the number of students passed from university `A` in the year 2007 and that from university `B` in 2004 is

Study the following bar-diagram carefully and answer the given question

Number of students passed from university `B` in the year 2008 expressed as a percentage of the total number of students passed from university `A` over the 6 yr is

Solution Is : Students from `B` in 2008 = 50 thousand
Students passed from A in all 6 years
= ( 20 + 20 + 30 + 50 + 50 + 30 )
= 200 thousands
REQUIRED PERCENTAGE = 50/200 X 100 = 25%

Study the following bar-diagram carefully and answer the given question

Therespective ratio between the number of students passed in the year 2007 , 2008 and 2004 from university B is

Study the following bar-diagram carefully and answer the given question

Thedifference between the total number of students passed from both the universities in the year 2008 combined together and the total number of students passed in the year 2004 from both the universities taken together is

Solution Is : Total students passed in 2008 = 50 + 30 = 80 thousands
Total students passed in 2004 = 30 + 20 = 50 thousands
Required difference = ( 80 - 50 ) thousands
= 30,000

The following is a horizontal bar diagram showing the accidents in which two wheelers are involved with other objects . Study the diagram and answer the question .

Thepercentage of accidents in which pedestrians and cyclists are involved is

Solution Is : Percentage of accident in which pedestrains and cyclists are involved
=pedestrains and cyclists /total number of accident x 100^% (240/1000x100%) =24%

The following is a horizontal bar diagram showing the accidents in which two wheelers are involved with other objects . Study the diagram and answer the question .

Thepercentage by which the accidents involving buses is less than the accidents involving tanker lorry is

Solution Is : Therefore required percentage
=( 160=120/1000x100)%=4%

The following is a horizontal bar diagram showing the accidents in which two wheelers are involved with other objects . Study the diagram and answer the question .

Thedifference in percentage between the accidents involving two wheelers and other objects is respectively.

The following is a horizontal bar diagram showing the accidents in which two wheelers are involved with other objects . Study the diagram and answer the question .

60% of the accidents happened due to