Lesson Example Discussion Quiz: Class Homework |
Quiz Discussion |
Title: Averages |
Grade: 8-a Lesson: S2-L3 |
Explanation: Hello students, let us discuss few problems on this topic with steps and answers provided for each problem. |
Quiz: Discussion in Class
Problem Id | Question | Description | Answer |
---|---|---|---|
Steps 1 |
Solve the problem. |
The average age of 27 kids is 7 years. If the teacher’s age is included, the average age becomes 10 years. Find the teacher’s age. |
91 |
Steps 2 |
Solve the problem. |
The average age of the mother and her two sons is 40 years and that of two sons is 30 years. Find the mother’s age? |
60 |
Steps 3 |
Solve the problem. |
Jack’s average score in the last 8 tests is 70. What should be his score in his next test, so that his average score will be 72? |
88 |
Steps 4 |
Solve the problem. |
The average age of brother and sister is 45. What is the sister’s age if the brother’s age is 50? |
40 |
Steps 5 |
Solve the problem. |
The average of runs of a cricket player of 8 innings was 42. How many runs must he make in his next innings so as to increase his average of runs by 6 ? |
96 |
Copyright © 2020-2022 saibook.us Contact: info@saibook.us Version: 1.5 Built: 14-September-2022 09:20AM EST