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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 same temperature at different times is possible.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 15: Introduction to Graphs - Exercise 15.1 [पृष्ठ २३९]

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एनसीईआरटी Mathematics [English] Class 8
पाठ 15 Introduction to Graphs
Exercise 15.1 | Q 7.4 | पृष्ठ २३९

संबंधित प्रश्‍न

The following graph shows the temperature of a patient in a hospital, recorded every hour.

  1. What was the patient’s temperature at 1 p.m.?
  2. When was the patient’s temperature 38.5°C?
  3. The patient’s temperature was the same two times during the period given. What were these two times?
  4. What was the temperature at 1.30 p.m.? How did you arrive at your answer?
  5. During which periods did the patients’ temperature showed an upward trend?

Use the tables below to draw linear graphs.

Population (in thousands) of men and women in a village in different years.

Year 2003 2004 2005 2006 2007
Number of men 12 12.5 13 13.2 13.5
Number of women 11.3 11.9 13 13.6 12.8 

A courier-person cycles from a town to a neighboring suburban area to deliver a parcel to a merchant. His distance from the town at different times is shown by the following graph.

  1. What is the scale taken for the time axis?
  2. How much time did the person take for the travel?
  3. How far is the place of the merchant from the town?
  4. Did the person stop on his way? Explain.
  5. During which period did he ride fastest?

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


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.


Find out from the growth chart

  • Between which days did the length of the plant change the most?

Which graphs of the following represent the table below?

Length of Side of a Square 1 2 3 4 5
Perimeter 4 8 12 16 20

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.

  1. the value of p when q = 3
  2. the value of q when p = 8

The following graph shows the number of people present at a certain shop at different times. Observe the graph and answer the following questions.

  1. What type of a graph is this?
  2. What information does the graph give?
  3. What is the busiest time of day at the shop?
  4. How many people enter the shop when it opens?
  5. About how many people are there in the shop at 1:30 pm?

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