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Can there be a time-temperature graph as follows? Justify your answer. - Mathematics

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प्रश्न

Can there be a time-temperature graph as follows? Justify your answer.

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उत्तर

This can be a time-temperature graph, as the temperature can increase with the increase in time.

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अध्याय 15: Introduction to Graphs - Exercise 15.1 [पृष्ठ २३९]

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एनसीईआरटी Mathematics [English] Class 8
अध्याय 15 Introduction to Graphs
Exercise 15.1 | Q 7.1 | पृष्ठ २३९

संबंधित प्रश्न

The following line graph shows the yearly sales figures for a manufacturing company.

  1. What were the sales in (i) 2002 (ii) 2006?
  2. What were the sales in (i) 2003 (ii) 2005?
  3. Compute the difference between the sales in 2002 and 2006.
  4. In which year was there the greatest difference between the sales as compared to its previous year?

For an experiment in Botany, two different plants, plant A and plant B were grown under similar laboratory conditions. Their heights were measured at the end of each week for 3 weeks. The results are shown by the following graph.

  1. How high was Plant A after (i) 2 weeks (ii) 3 weeks?
  2. How high was Plant B after (i) 2 weeks (ii) 3 weeks?
  3. How much did Plant A grow during the 3rd week?
  4. How much did Plant B grow from the end of the 2nd week to the end of the 3rd week?
  5. During which week did Plant A grow most?
  6. During which week did Plant B grow least?
  7. Were the two plants of the same height during any week shown here? Specify.

Draw the temperature-time graph in each of the following cases:

Time (in hours): 8:00 10:00 12:00 14:00 16:00 18:00 20:00
Temperature (°F) in: 100 101 104 103 99 98 100

The runs scored by a cricket team in first 15 overs are given below:

Overs: I II III IV V VI VII VIII IX X XI XII XIII XIV XV
Runs: 2 1 4 2 6 8 10 21 5 8 3 2 6 8 12

Draw the graph representing the above data in two different ways as a graph and as a bar chart.


The runs scored by two teams A and B in first 10 overs are given below:

Overs: I II III IV V VI VII VIII IX X
Team A: 2 1 8 9 4 5 6 10 6 2
Team B: 5 6 2 10 5 6 3 4 8 10

Draw a graph depicting the data, making the graphs on the same axes in each case in two different ways as a graph and as a bar chart.


Find out from the growth chart

  • What could be the length of this plant on the 14th day? Guess.

Find out from the growth chart

  • Will the plant keep growing all the time? What will be its length on the 100th day? Make a guess!

A line graph can also be a whole unbroken line.


Study the given graph and complete the corresponding table below.


Plot a line graph for the variables p and q where p is two times q i.e, the equation is p = 2q. Then find the value of q when p = 8


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