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Application of Graphs

Question 64cT...

Question

Question 64(c)
The following table gives the growth chart of a child.
$\begin{matrix} H e i g h t (i n c m) & 75 & 90 & 110 & 120 & 130 A g e (i n y e a r s) & 2 & 4 & 6 & 8 & 10 \end{matrix}$

Draw a line graph for the table and answer the question that follows.
(c) Between which two consecutive periods did the child grow faster?

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Solution

Between the ages of 4 and 6, the child grew at a faster rate.

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Q. Question 64(c)
The following table gives the growth chart of a child.

\begin{matrix} 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 \end{matrix}

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(a)
The following table gives the growth chart of a child.

\begin{matrix} 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 \end{matrix}

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(a)
The following table gives the growth chart of a child.

\begin{matrix} 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 \end{matrix}

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 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.

\begin{matrix} 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 \end{matrix}

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. Question 74(i)
The following chart gives the growth in height in terms of percentage of full height of boys and girls with their respective ages.

\begin{matrix} 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 \end{matrix}

Draw the line graph of above data on the same sheet and answer the following questions.
In which year both the boys and the girls achieve their maximum height?

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Application of Graphs

Standard VIII Mathematics

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