Mean, Median, and Mode Quiz - CBSE Class 7 Mathematics

Free practice quiz: Mean, Median, and Mode (CBSE Class 7 Mathematics). 15 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

Sample questions

1. What is the mean of the data set: 4, 5, 6, 7, 8?

   1. 5
   2. 5.5
   3. 6
   4. 6.5
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   Answer: C. 6

   To find the mean, add up all the numbers and divide by the number of items. (4 + 5 + 6 + 7 + 8) / 5 = 6.

2. What is the mean of the data set: 10, 20, 30, 40, 50?

   1. 30
   2. 35
   3. 40
   4. 45
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   Answer: A. 30

   Calculate the mean by adding all numbers and dividing by the count: (10 + 20 + 30 + 40 + 50) / 5 = 30.

3. What is the mode of the data: 2, 4, 4, 4, 6, 8, 10?

   1. 2
   2. 4
   3. 6
   4. 8
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   Answer: B. 4

   The number 4 appears most frequently in the data set; therefore, it is the mode.

4. Find the mode of the set if there is no repetition: {11, 13, 15, 17}.

   1. 11
   2. 13
   3. 15
   4. None
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   Answer: D. None

   There is no repetition in this set, hence there is no mode.

5. A data set is represented as: 10, 12, 14, 16. If an unknown value x is added to make the mean 13, what is x?

   1. 15
   2. 16
   3. 17
   4. 18
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   Answer: D. 18

   Mean becomes: (10 + 12 + 14 + 16 + x) / 5 = 13. Solving gives x = 18.

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