Q76 of 90 Page 372

Observe the given carefully and complete the table given below.


From the given graph, let us observe the following points.


X axis is placed in horizontal and Y axis is in vertical. So,


X = 1, Y = 2.5


X = 2, Y = 5


X = 3, Y = 10


X = 4, Y = 15


∴ Fill the above observed points in the table, it is shown as follows



More from this chapter

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74

The following chart gives the growth in height in length of percentage of full height of boys and girls with their respective ages.


Draw the line graph of above data on the same sheet and answer the following questions.


A) In which year both the boys and the girls achieve their maximum height?


B) Who grows faster at puberty (14 years to 16 years of age)?

 75

The table shows the data collected for Dhruv’s walking on a road.


A) Plot a line graph for the given data using a suitable scale.


B) In what time periods did Dhruv make the most progress?

 77

This graph shows the per cent of students who dropped out of school after completing High School. The point labelled A shows that, in 1996, about 4.7% of students dropped out.


A) In which year was the dropout the rate highest? In which year was it the lowest?


B) When did the per cent of students who dropped out of high school first fall below 5%?


C) About what per cent of students dropped out of high school in 2007? About what per cent of students stayed in high school in 2008?

 78

Observe the toothpick pattern given below:



(a) Imagine that this pattern continues. Complete the table to show the number of toothpicks in the first six terms.



(b)Make a graph by taking the pattern numbers on the horizontal axis and the number of toothpicks on the vertical axis. Make the horizontal axis from 0 to 10 and the vertical axis from 0 to 30.


(c) Use your graph to predict the number of toothpicks in patterns 7 and 8. Check your answers by actually drawing them.


(d) Would it make sense to join the points on this graph? Explain.