हिंदी

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

Advertisements
Advertisements

प्रश्न

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?
आलेख
लघु उत्तरीय
Advertisements

उत्तर

  1. Scale taken for the time axis is 4 units = 1 hour
  2. Time taken by a person for the travel = `(1+1+1+1/2) "hours" = 3  1/2` hours.
  3. The merchant is 22 km from the town.
  4. Yes, the person stopped on his way from 10 a.m. to 10: 30 a.m. This is indicated by the horizontal part of the graph.
  5. From the graph, it canfromserved that during 8 a.m. to 9 a.m., the person travelled the maximum distance. Thus, the person’s ride was the fastest between 8 a.m. and 9 a.m.
shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 13: Introduction to Graphs - EXERCISE 13.1 [पृष्ठ १६३]

APPEARS IN

एनसीईआरटी Mathematics [English] Class 8
अध्याय 13 Introduction to Graphs
EXERCISE 13.1 | Q 6. | पृष्ठ १६३

संबंधित प्रश्न

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


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


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

Draw the velocity-time graph from the following data:

Time (in hours): 7:00 8:00 9:00 10:00 11:00 12:00 13:00 14:00
Speed (in km/hr): 30 45 60 50 70 50 40 45

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.

A graph that displays data that changes continuously over periods of time is ______.


Study the graph and answer the questions that follow.

  1. What information does the graph give?
  2. On which day was the temperature the least?
  3. On which day was the temperature 31°C?
  4. Which was the hottest day?


The following graph shows the change in temperature of a block of ice when heated. Use the graph to answer the following questions:

  1. For how many seconds did the ice block have no change in temperature?
  2. For how long was there a change in temperature?
  3. After how many seconds of heating did the temperature become constant at 0°C?
  4. What was the temperature after 25 seconds?
  5. What will be the temperature after 1.5 minutes? Justify your answer.


As part of his science project, Prithvi was supposed to record the temperature every hour one Saturday from 6 am to midnight. At noon, he was taking lunch and forgot to record the temperature. At 8:00 pm, his favourite show came on and so forgot again. He recorded the data so collected on a graph sheet as shown below.

  1. Why does it make sense to connect the points in this situation?
  2. Describe the overall trend, or pattern, in the way the temperature changes over the time period shown on the graph.
  3. Estimate the temperature at noon and 8 pm.

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×