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Byju's Answer
Standard VIII
Mathematics
Application of Graphs
a The followi...
Question
Question 64(a)
The following table gives the growth chart of a child.
H
e
i
g
h
t
(
i
n
c
m
)
75
90
110
120
130
A
g
e
(
i
n
y
e
a
r
s
)
2
4
6
8
10
Draw a line graph for the table and answer the question that follows.
(a) What is the height at the age of 5 years?
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Solution
At the age of 5 years, the height is 100 cm.
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Q.
Q
uestion 64(a)
The following table gives the growth chart of a child.
H
e
i
g
h
t
(
i
n
c
m
)
75
90
110
120
130
A
g
e
(
i
n
y
e
a
r
s
)
2
4
6
8
10
Draw a line graph for the table and answer the question that follows.
(a) What is the height at the age of 5 years?
Q.
Question 64(c)
The following table gives the growth chart of a child.
H
e
i
g
h
t
(
i
n
c
m
)
75
90
110
120
130
A
g
e
(
i
n
y
e
a
r
s
)
2
4
6
8
10
Draw a line graph for the table and answer the question that follows.
(c) Between which two consecutive periods did the child grow faster?
Q.
Question 64(c)
The following table gives the growth chart of a child.
H
e
i
g
h
t
(
i
n
c
m
)
75
90
110
120
130
A
g
e
(
i
n
y
e
a
r
s
)
2
4
6
8
10
Draw a line graph for the table and answer the question that follows.
(c) Between which two consecutive periods did the child grow faster?
Q.
Question 74(ii)
The following chart gives the growth in height in terms of percentage of full height of boys and girls with their respective ages.
A
g
e
(
i
n
Y
e
a
r
s
)
8
9
10
11
12
13
14
15
16
17
18
B
o
y
s
(
i
n
p
e
r
c
e
n
t
a
g
e
)
72
75
78
81
84
88
92
95
98
99
100
G
i
r
l
s
(
i
n
p
e
r
c
e
n
t
a
g
e
)
77
81
84
88
91
95
98
99
99.5
100
100
Draw the line graph of above data on the same sheet and answer the following questions.
Who grows faster at puberty (14 years to 16 years of age)?
Q.
The following table gives the number of boys of a particular age in a class of 40 students. Calculate the mean age of the students
Age (in years):
15
16
17
18
19
20
No. of students:
3
8
10
10
5
4