Averages
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Q. A family has an average income of $50,000. If the father earns $60,000 and the mother earns $40,000, what is the average income of their two children if the total family income is $200,000?
Q. A family has an average income of $5000 per month. If the family consists of 4 members, what is the total income of the family? (2023)
Q. A family has three children with ages 10, 12, and 14. If they have another child, what age must the new child be for the average age of the family to be 12?
Q. A family has three children with ages 5, 10, and 15. If a new child is born, what age must the new child be to maintain an average age of 10?
Q. A family has three children with ages 5, 10, and 15. If they have another child, what age must the new child be to maintain an average age of 10? (2023)
Q. A group of friends went out for dinner. If the average cost per person was $20 and there were 5 people, what was the total cost of the dinner? (2023)
Q. A student scored 60, 70, and 80 in three subjects. If he wants to achieve an average of 75, what score does he need in the fourth subject? (2023)
Q. A teacher has 20 students in her class. If the average height of the students is 150 cm, what is the total height of all students? (2023)
Q. A teacher has an average of 85% in her class. If she has 20 students, what is the total percentage score of the class? (2023)
Q. A teacher has an average score of 85 for her class of 20 students. If one student scores 95, what will be the new average if the class size increases to 21? (2023)
Q. A teacher has an average score of 85 in her class of 20 students. If one student scores 95, what will be the new average if the student is removed from the class? (2023)
Q. A teacher has an average score of 85 in her class. If she adds a new student who scores 95, how will the average change if the class size increases from 10 to 11?
Q. If the average of a set of numbers is 25 and the set contains 4 numbers, what is the total of those numbers?
Q. If the average of a set of numbers is 50 and the set contains 10 numbers, what is the total of all the numbers in the set? (2023)
Q. If the average of a set of numbers is 50 and the set contains 8 numbers, what is the total of all the numbers in the set? (2023)
Q. If the average of a set of numbers is 50 and the set contains 8 numbers, what is the total sum of the numbers? (2023)
Q. If the average of a set of numbers is 50 and there are 10 numbers in the set, what is the total of all the numbers? (2023)
Q. If the average of five numbers is 30, what is the sum of those numbers? (2023)
Q. If the average of three consecutive integers is x, what is the value of x? (2023)
Q. If the average of two numbers is 30 and one of the numbers is 20, what is the other number?
Q. If the average of two numbers is 40 and one of the numbers is 30, what is the other number? (2023)
Q. In a certain examination, the average score of a student in three subjects is 85. If the student scores 90 in the first subject and 80 in the second, what is the minimum score required in the third subject to maintain the average? (2023)
Q. In a class of 30 students, the average score in Mathematics is 75. If the average score of the boys is 80 and that of the girls is 70, how many boys are there in the class? (2023)
Q. In a race, the average speed of a runner is 10 km/h. If he runs for 2 hours and then walks for 1 hour at 5 km/h, what is his average speed for the entire journey?
Q. In a race, the average speed of a runner is 10 km/h. If he runs for 2 hours, how far does he run? (2023)
Q. In a race, the average speed of a runner is 12 km/h. If the runner completes the race in 2 hours, what is the distance of the race? (2023)
Q. In a race, the average speed of a runner is 12 km/h. If the runner wants to complete the race in 2 hours, how far is the race? (2023)
Q. In a survey, the average age of a group of people is 30 years. If one person aged 40 leaves the group, what will be the new average age if the group originally had 10 people? (2023)
Q. In a survey, the average age of a group of people is 40 years. If one person aged 60 leaves the group, what will be the new average age if the group originally had 10 people?
Q. In a survey, the average age of a group of people is 40 years. If one person aged 60 leaves the group, what will be the new average age if the group originally had 10 members? (2023)
