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Data Handling

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Organising and Grouping Data

Subtopic

Organising and Grouping Data under Data Handling for Grade 8 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    The tally mark for the number 99 is represented by:

    A.

    A group of five and ∣∣∣∣||||

    B.

    A group of five and ∣∣∣|||

    C.

    ∣∣∣∣∣∣∣∣∣|||||||||

    D.

    Two groups of five

  2. 2.

    What is the range of 10,20,30,40,5010, 20, 30, 40, 50?

    A.

    4040

    B.

    5050

    C.

    1010

    D.

    3030

  3. 3.

    The upper limit of the class interval 12−1812 - 18 is:

    A.

    1212

    B.

    1515

    C.

    66

    D.

    1818

Download the worksheet for Data Handling - Organising and Grouping Data to practice offline. It includes additional chapter-level practice questions.

Circle Graph or Pie Chart

Subtopic

Circle Graph or Pie Chart under Data Handling for Grade 8 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    If the angle of a sector is 45∘45^\circ, what is the percentage it represents?

    A.

    12.5%12.5\%

    B.

    15%15\%

    C.

    10%10\%

    D.

    20%20\%

  2. 2.

    If a pie chart is used to represent the time spent by a child in a day, and the 'School' sector is 90∘90^\circ, how many hours does the child spend at school?

    A.

    44 hours

    B.

    88 hours

    C.

    66 hours

    D.

    55 hours

  3. 3.

    What is the central angle for a sector representing 19\frac{1}{9} of the total data?

    A.

    30∘30^\circ

    B.

    45∘45^\circ

    C.

    50∘50^\circ

    D.

    40∘40^\circ

Download the worksheet for Data Handling - Circle Graph or Pie Chart to practice offline. It includes additional chapter-level practice questions.

Histogram

Subtopic

Histogram under Data Handling for Grade 8 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    In a histogram, the class intervals are taken along the:

    A.

    Y-axis

    B.

    X-axis

    C.

    Diagonal

    D.

    Both X and Y axes

  2. 2.

    The range of the data 2,2,2,2,22, 2, 2, 2, 2 is:

    A.

    22

    B.

    1010

    C.

    00

    D.

    11

  3. 3.

    To find the number of observations in a certain range from a histogram, we look at the:

    A.

    Width of the bars

    B.

    Heights of the bars

    C.

    Colors of the bars

    D.

    X-axis labels only

Download the worksheet for Data Handling - Histogram to practice offline. It includes additional chapter-level practice questions.

Chance and Probability

Subtopic

Chance and Probability under Data Handling for Grade 8 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    If an event EE has a probability P(E)=0.7P(E) = 0.7, what is the probability of 'not EE'?

    A.

    0.70.7

    B.

    1.71.7

    C.

    0.30.3

    D.

    00

  2. 2.

    A card is drawn from a pack of 1010 cards numbered 1111 to 2020. What is the probability of drawing an even number?

    A.

    12\frac{1}{2}

    B.

    410\frac{4}{10}

    C.

    610\frac{6}{10}

    D.

    110\frac{1}{10}

  3. 3.

    What is the probability of getting a number between 11 and 66 (excluding 11 and 66) when rolling a die?

    A.

    46\frac{4}{6}

    B.

    26\frac{2}{6}

    C.

    16\frac{1}{6}

    D.

    56\frac{5}{6}

Download the worksheet for Data Handling - Chance and Probability to practice offline. It includes additional chapter-level practice questions.

Data Handling - CBSE Class 8 Maths Notes & Revision | Krit.club