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Introduction to Graphs Test - 5

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Introduction to Graphs Test - 5
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  • Question 1
    1 / -0
    (-6, 0) lies on
    Solution


    Points on positive x-axis have positive x and zero y coordinate.
    Points on positive y-axis have zero x and positive y coordinate.
    Points on negative x-axis have negative x and zero y coordinate.
    Points on negative y-axis have zero x and negative y coordinate.
    Therefore, (-6,0) lies on negative x-axis.
  • Question 2
    1 / -0
    (-3, -3) lies in which of the following quadrants?
    Solution


    Points in quadrant 1 have positive x and positive y coordinates.
    Points in quadrant 2 have negative x, but positive y coordinates.
    Points in quadrant 3 have negative x and negative y coordinates.
    Points in quadrant 4 have positive x, but negative y coordinates.
    Hence, (-3, -3) lies in the third quadrant.

  • Question 3
    1 / -0
    Directions: Following graph shows the production of wheat in different years from 2011 - 2015. Study the graph carefully and answer the question that follows.



    What is the ratio of the production of wheat in years 2011 to 2013?
    Solution
    Production in 2011 = 95
    Production in 2013 = 115
    Ratio = 95 : 115 = 19 : 23
  • Question 4
    1 / -0
    Directions: Following graph shows the production of wheat in different years from 2011 - 2015. Study the graph carefully and answer the question that follows.



    What is the difference between the production of wheat in 2011 and 2015?

    Solution


    Difference = 275 - 95 = 180
  • Question 5
    1 / -0
    Directions: Following graph shows the production of wheat in different years from 2011 - 2015. Study the graph carefully and answer the question that follows.



    What is the sum of production of wheat in years 2012 and 2013?

    Solution
    Production in 2012 is 120 and production in 2013 is 115.
    So, sum = 120 + 115 = 235
    Hence, correct answer is option (1).

  • Question 6
    1 / -0
    Directions: The following graph shows the savings of two different persons, A and B, in US dollars in five different months. Study the graph carefully and answer the question that follows.



    In which of the following months were the savings minimum for A?
    Solution
    Looking at the graph, for A, the savings were minimum in January i.e 1,000 USD.
    Hence, correct option is (1).

  • Question 7
    1 / -0
    Directions: The following graph shows the savings of two different persons, A and B, in US dollars in five different months. Study the graph carefully and answer the question that follows.



    Whose savings were more in the last three months?
    Solution
    Savings of A in the last three months = 2,500 + 3,000 + 2,000
    = 7,500 USD
    Savings of B in the last three months = 2,000 + 1,000 + 1,500
    = 4,500 USD
    So, A had more savings.
  • Question 8
    1 / -0
    The point of intersection of co-ordinate axes is called
    Solution
    The co-ordinate axes cross each other at the origin.

  • Question 9
    1 / -0
    Directions: Observe the graph and answer the following question.



    The coordinates for C are
    Solution
    As it can be seen from the graph that point C lies 7 points away from Y axis and 3 points away from X axis.
    Therefore, coordinates of C are (7, 3).

  • Question 10
    1 / -0
    Directions: Observe the graph and answer the following question.



    What is the difference between the x coordinates of B and D?
    Solution
    From graph,
    x coordinate of B = 6
    x coordinate of D = 3
    Difference = 6 - 3 = 3

  • Question 11
    1 / -0
    Directions: The following graph shows the number of Mustangs sold over the years (2000 - 2006). Read the graph and answer the following question.



    The difference between the number of Mustangs sold in the year 2002 and 2005 is
    Solution
    Number of Mustangs sold in year 2002 = 25
    Number of Mustangs sold in year 2005 = 25
    Difference = 25 - 25
    = 0

  • Question 12
    1 / -0
    Directions: The following graph shows the number of Mustangs sold over the years (2000 - 2006). Read the graph and answer the following question.



    Find the total number of Mustangs sold over the years (2000 - 2006).
    Solution
    The total number of Mustangs sold over the years (2000 - 2006)
    = 15 + 20 + 25 + 35 + 40 + 25 + 30
    = 190 Mustangs

  • Question 13
    1 / -0
    Directions: The following graph shows distance (km) travelled by a train going from Agra to Delhi. Read the graph and answer the following question.


    What is the difference between the distance the train has covered between 3 PM and 5 PM?
    Solution
    Distance covered by train at 3 PM = 500 km
    Distance covered by train at 5 PM = 700 km
    So, distance covered by the train between 3 PM and 5 PM
    = 700 - 500
    = 200 km

  • Question 14
    1 / -0
    Directions: The following graph shows distance (km) travelled by a train going from Agra to Delhi. Read the graph and answer the following question.



    How much time has the train taken to cover the last 450 km of the journey?
    Solution
    Train covered first 250 km of the journey in 1 hour (till 12 PM).
    Train completed total distance (700 km) at 5 PM.
    So, it took the train 5 hours to cover the last 450 km of the journey.
  • Question 15
    1 / -0
    Directions: The following graph shows distance (km) travelled by a train going from Agra to Delhi. Read the graph and answer the following question.


    What is the maximum interval of distance that the train covered in 1 hour?
    Solution
    It can be seen from graph that between 11 AM and 12 PM, the train had covered 250 km, which is the maximum distance covered in an hour.

  • Question 16
    1 / -0
    Directions: The following graph shows sales prediction and actual sales for a week at a car dealership. Study the graph carefully and answer the question that follows.



    On which of the following days was the deviation of actual sales from the predicted sales the most?
    Solution
    The deviation of actual sales from predicted sales on Wednesday = 33 - 30 = 3
    The deviation of actual sales from predicted sales on Monday = 36 - 34 = 2
    The deviation of actual sales from predicted sales on Friday = 42 - 38 = 4
    The deviation of actual sales from predicted sales on Sunday = 30 - 28 = 2
    So, the maximum deviation of actual sales from predicted sales is on Friday i.e. 4.
  • Question 17
    1 / -0
    Directions: The following graph shows sales prediction and actual sales for a week at a car dealership. Study the graph carefully and answer the question that follows.



    On which of the following days were the maximum number of combined goods sold?
    Solution
    Combined sales on day 1 = 300 + 360 = 660
    Combined sales on day 2 = 320 + 290 = 610
    Combined sales on day 3 = 330 + 310 = 640
    Combined sales on day 4 = 390 + 410 = 800
    Combined sales on day 5 = 390 + 440 = 830
    Combined sales on day 6 = 320 + 310 = 630
    Combined sales on day 7 = 320 + 300 = 620
    Combined sales on day 8 = 400 + 350 = 750

    Clearly, day 5 saw the maximum combined sales.

  • Question 18
    1 / -0
    Directions: The following graph shows the number of videos watched by Sourabh in a week. Study the graph carefully and answer the question that follows.



    What is the ratio of videos watched on day 4 and day 5 to the total number of videos watched?
    Solution
    Total number of videos watched = 167
    Videos watched on day 4 = 35
    Videos watched on day 5 = 11
    Total videos watched on days 4 and 5 = 35 + 11 = 46
    Required ratio = 46 : 167

  • Question 19
    1 / -0
    Directions: The graph shows number of ice creams sold by an ice cream vendor over 9 days. Study the graph carefully and answer the question that follows.


    How many ice creams did he sell each day on average?
    Solution
    Total number of ice creams sold = 55 + 43 + 39 + 40 + 53 + 39 + 29 + 53 + 45 = 396

    Average =

    = 44 ice creams
  • Question 20
    1 / -0
    Directions: Study the given graph carefully and answer the following question.



    (a) On which day did the shop sell less than 30 books?
    (b) On which day were exactly 42 books sold?
    (c) Which day saw the second highest sale of books?
    Solution
    (a) - Day 4
    On day 4, 28 books were sold, which is the lowest and less than 30 books.

    (b) - Day 3
    As clearly seen from the graph, exactly 42 books were sold on day 3.

    (c) - Day 6
    Highest sales were on day 7, which is 53 books. Second highest books were sold on day 6, which is 50 books.

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