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The following table gives the growth chart of a child. Draw a line graph for the table and answer the questions that follow: Between which two consecutive periods did the child grow more faster?

Height (in cm)
Age (in years)
75
2
90
4
110
6
120
8
130
10

see full answer

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child grow more faster between 4 and 6 years

child grow more faster between 4 and 8 years

child grow more faster between 2 and 6 years

child grow more faster between 2 and 8 years

answer is A.

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Detailed Solution

Given table,

Height (in cm)	Age (in years)
75	2
90	4
110	6
120	8
130	10

Plot line graph taking age on x axis with scale 1 unit = 2 years and height on y axis with scale of 1 unit = 20 cm.
Question Image

Find difference in height for each consecutive period.
From 2 to 4 years, difference is

90 − 75 = 15

cm.
From 4 to 6 years difference is

110 − 90 = 20

cm.
From 6 to 8 years difference is

120 − 110 = 10

cm.
From 8 to 10 years difference is

130 − 120 = 10

cm
Note that 20 cm is maximum growth in period of from 4 years to 6 years.
Hence child grow more faster between 4 and 6 years
Hence, option 1 is correct.

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