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  • NDA Exam Mathematics Study Material

Digitization help student to explore and study their academic courses online, as this gives them flexibility and scheduling their learning at their convenience. Kidsfront has prepared unique course material of Mathematics Bar diagram for NDA Exam student. This free online Mathematics study material for NDA Exam will help students in learning and doing practice on Bar diagram topic of NDA Exam Mathematics. The study material on Bar diagram, help NDA Exam Mathematics students to learn every aspect of Bar diagram and prepare themselves for exams by doing online test exercise for Bar diagram, as their study progresses in class. Kidsfront provide unique pattern of learning Mathematics with free online comprehensive study material and loads of NDA Exam Mathematics Bar diagram exercise prepared by the highly professionals team. Students can understand Bar diagram concept easily and consolidate their learning by doing practice test on Bar diagram regularly till they excel in Mathematics Bar diagram.


Bar diagram
The following bar diagram represents the use of different modes of travel to school by students in a certain locality of the down. Study the graph and answer the questions.

How many students are coming from that locality ?

a) 500
b) 600
c) 560
d) 660



Answer
Solution
Correct Answer Is : 660
Solution Is : Number of students coming from the locality 6 + 15 + 11 + 18 + 16 =66 units 66 * 10 = 660.
The following bar diagram represents the use of different modes of travel to school by students in a certain locality of the down. Study the graph and answer the questions.

How many students use Bicycle and Rickshaw combined ?

a) 240
b) 340
c) 140
d) 440



Answer
Solution
Correct Answer Is : 340
Solution Is : Number of students use bicycle and rickshaw = 18 * 10 + 16 * 10 180 + 160 = 340.
The following bar diagram represents the use of different modes of travel to school by students in a certain locality of the down. Study the graph and answer the questions.

What is the percentage of students using Bus from that locality ?

a) 22.42%
b) 18.67%
c) 22.73%
d) 22%



Answer
Solution
Correct Answer Is : 22.73%
Solution Is : Required percentage = 15/66 * 100 = 22 8/11%
Study the following bar-diagram carefully and answer the given question

Thesum of the students passed from university `B` in years 2003 , 2005 and 2006 combined together is

a) 80000
b) 60000
c) 50000
d) 75000



Answer
Solution
Correct Answer Is : 80000
Solution Is : Required sum = ( 30 + 10 + 40 ) thousands = 80,000
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%