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1.
8 children attend Sunshine kindergarten with an average age of 3.5.
5 children attend Rainbow kindergarten with an average age of 5.
What is approximately the average age in both kindergartens?
5 children attend Rainbow kindergarten with an average age of 5.
What is approximately the average age in both kindergartens?
2.
A nursing home is holding a trivia tournament. Residents have so far divided into three groups of different sizes and varying ages:
Group A: 3 people with the average age of 77.
Group B: 4 people with the average age of 86.
Group C: 5 people with the average age of 92.
What is the average age of all the participants?
Group A: 3 people with the average age of 77.
Group B: 4 people with the average age of 86.
Group C: 5 people with the average age of 92.
What is the average age of all the participants?
3.
Concert tickets are offered at £15 for 20% of the seats, and £13 for the remainder of seats. The concert was sold out. What is the average price paid for a ticket?
4.
What is the average weight of 20 "Pink Lady" apples each weighing 70 grams and 12 "Granny Smith" apples each weighing 100 grams?
5.
The average score in Class A is 30, the average score in Class B is 40 and the average score in Class C and D is 20.
Class C and D each have twice as many students as Class A and B.
The average score of the entire grade [Classes A-D] is:
Class C and D each have twice as many students as Class A and B.
The average score of the entire grade [Classes A-D] is:
6.
A secretary typed 5 pages between 9AM and 10AM, 4 pages per hour between 10AM and 2PM and 2 pages per hour between 3PM and 5PM.
During her lunch break (2-3PM) the secretary did not type any pages.
What is the average typing rate of the secretary for the entire working day (break included)?
During her lunch break (2-3PM) the secretary did not type any pages.
What is the average typing rate of the secretary for the entire working day (break included)?
7.
At the Eleanor Rigby Community College, a student will fail their first year if they receive an average of less than 65.
Maths and Science classes are worth 70% of the final grade while Social Science courses are worth 30% of the final grade.
Louise took four classes in her first year, and received a grade of 90 in her final Mathematics test, 100 in her Physics class, 80 in Chemistry and 30 in Sociology (physics, Chemistry and math are both considered science).
Did Louise pass her first year?
Maths and Science classes are worth 70% of the final grade while Social Science courses are worth 30% of the final grade.
Louise took four classes in her first year, and received a grade of 90 in her final Mathematics test, 100 in her Physics class, 80 in Chemistry and 30 in Sociology (physics, Chemistry and math are both considered science).
Did Louise pass her first year?
8.
It takes Robin 3 minutes to answer each of the 5 questions in the first section of the test, and 10 minutes to answer each question in the second section.
On average, it takes her 6.5 minutes to answer each question.
How many questions are there in the second section of the test?
On average, it takes her 6.5 minutes to answer each question.
How many questions are there in the second section of the test?
9.
Curt is a professional athlete.
On an average he burns 300 calories per hour.
A training day includes: running for 1 hour, bicycling for 4 hours and swimming for 2 hours.
Curt knows he burns 600 calories per hour running and 400 calories per hour swimming.
How many calories does Curt burn per hour on his bicycle?
On an average he burns 300 calories per hour.
A training day includes: running for 1 hour, bicycling for 4 hours and swimming for 2 hours.
Curt knows he burns 600 calories per hour running and 400 calories per hour swimming.
How many calories does Curt burn per hour on his bicycle?
10.
Class grades are calculated in the following way: the mid-term quiz is worth 20% of the final grade, homework assignments are worth 10%, class participation is worth 10% and the final exam is worth 60%.
How much did Mark get on his mid-term quiz, if his final grade is 90, and we know that he got 90 on his final exam and full credit for class participation and homework assignments?
Note that 100 is the highest mark possible and equals full credit.
How much did Mark get on his mid-term quiz, if his final grade is 90, and we know that he got 90 on his final exam and full credit for class participation and homework assignments?
Note that 100 is the highest mark possible and equals full credit.