Averages Questions

The average weight of Rohan and his three friends is 62kg. If Rohan's weight is 8kg more than the average weight of his three friends, what is Rohan's weight (in kg)?

From the following table, find what is the average weight (in kg) of the given persons?
Name Aman Sudha Vishal Sumedha Sahil Usha
Weight (kg) 52.7 54 55.25 57.4 58.75 58

The average monthly income of A and B is ₹5,050, the average monthly income of B and C is ₹6,250, and the average monthly income of A and C is ₹5,200. What is the sum of the monthly incomes (in ₹) of A, B and C?

The average age of $24$ students in a class is $15.5$ years. The age of their teacher is $28$ years more than the average of all twenty-five. What is the age of the teacher in years?

The average of $10$ numbers is $41$. The average of first $3$ numbers is $39.4$ and the average of last $4$ numbers is $43.5$. $4^{\text{th}}$ number is $2$ more than $5^{\text{th}}$ number and $0.2$ more than $6^{\text{th}}$ number. What is the average of the $4^{\text{th}}$ and $6^{\text{th}}$ numbers?

Study the following table, which shows the number of units of a product manufactured and sold by a company in five years, and answer the question.YearsNumber of units Manufactured (in thousands)Number of units Sold (in thousands)20133503202014375315201530028020164504232017420360In which year the number of units of the product sold is $19000$ less than the average number of units manufactured per year?