Mathematics
Grade-2
Easy

Question

The number of children who like the color red is _____.

  1. 15
  2. 25
  3. 10
  4. 20

hintHint:

The visual display of data (often grouped) in the shape of vertical or horizontal rectangular bars, with the length of the bars corresponding to the measure of the data, is called a bar graph. Here we have given a bar graph and we have to find the number of children who like the color red.

The correct answer is: 10


    Now we know that a graph is made up of vertices, or points, and edges, or lines connecting those vertices. Graphs come in a wide variety of forms in discrete mathematics.
    The heights of the rectangular bars in a bar graph, which displays complete data, are proportionate to the values they indicate.
    There are two types of a bar graph:
    • Vertical Bar Graph
    • Horizontal Bar Graph
    Although the bars in bar graphs can be plotted either horizontally or vertically, the vertical bar graph is the one that is most frequently used.
    Now we have given a bar graph which is a Vertical one. In that graph, there are 3 bars, Green, blue and red.
    So we have asked how many children like the red colour.
    So from the graph, we can see that the bar of the red colour is touching the y-axis at 10.
    So 10 students like the red colour.

    Here we used the concept of bar graphs and understood are different types of bar graphs. The number of children who like the color red is 10. Although the bars in bar graphs can be plotted either horizontally or vertically, the vertical bar graph is the one that is most frequently used.

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