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Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Calculate the mean of the following numbers: 3, 7, 8, 4, 6.
💡 Hint: Add all the numbers together and divide by the number of values.
Question 2
Easy
What is the mean of 12 and 16?
💡 Hint: You have two numbers, divide the sum by 2.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the mean of 10, 20, 30?
- 20
- 25
- 15
💡 Hint: Add up all the numbers and divide by the count.
Question 2
True or False: The mean can never be a decimal.
- True
- False
💡 Hint: Consider an example where numbers lead to a non-integer average.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A class has recorded the following heights (in cm): 150, 155, 160, 165, 170, 175. Calculate the mean height.
💡 Hint: Add the heights and divide by the number of students.
Question 2
For a frequency distribution table with class intervals 0-20 (5), 20-40 (15), find the mean if the respective lengths are 10 and 30.
💡 Hint: Multiply class marks by frequencies before summing.
Challenge and get performance evaluation