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The overall average salary for all employees in an office is ₹32,000. Officers earn an average salary of ₹56,000, while non-officers make an average of ₹20,000. If there are 17 officers, determine the number of non-officers.

The average age of 21 students is 17 years. A teacher joins the group, and the average becomes 20 years. What is the teacher's age?

A train covered a certain distance in 3 parts with average speeds of 12 km/h, 15 km/h and 30 km/h. What is the average speed over the entire journey, assuming equal distances?

The average marks of 40 students in a class is 72. If the marks of one student were wrongly entered as 92 instead of 72, what is the CORRECT average?

The average of 6 different numbers is 120. If the smallest number is 18, what is the average of the remaining five numbers?

The average of 40 numbers was calculated as 28. Later it was found that two numbers were wrongly taken as 23 and 17 instead of 13 and 7. What is the correct average ?

The average weight of 4 boys is 55 kg . If a new boy with a weight of 75 kg joins them, what is the new average weight of the group?

The average of 20 numbers is 55 . If each number is decreased by 8, what will be the new average?

The average salary of employees in a company is ₹30,000. If a new employee with a salary of ₹60,000 joins, the average increases by ₹300. Find the number of employees originally in the company.

The average of 11 numbers is 50. The difference of the largest and smallest number is 60 . If the largest number is removed, the average of the remaining 10 numbers is reduced by 4 . Find the smallest number?

A student's average marks in 4 subjects is 65 . What should be his score in the fifth subject to get an overall average of 90 ?

In a warehouse, 9 crates of goods have an average weight of 94.5 kg . One of the crates, weighing 89.2 kg , is replaced by a new crate. As a result, the average weight becomes 97.1 kg . Later, 5 more crates are added, each weighing 101.3 kg . What is the weight of the new crate that replaced the old one ?

The average of five numbers is 58 . When one number is removed, the average of the remaining four numbers becomes 55. What is the value of the number that was excluded?

The average marks of 50 students in a class is 80. Later, it was discovered that a student's marks were recorded as 39 instead of 92. What is the correct average?

The average of 5 consecutive even natural numbers is 34 . The previous 5 consecutive even natural numbers to these 5 numbers are also identified. What is the average of these newly identified numbers?

The average score of 7 players was initially recorded as 55. However, it was later discovered that a score of 35 had been mistakenly read as 53 . Determine the correct average score.(Rounded up to two decimal places)

The average age of 54 students of a class is 37 years. If the age of the teacher is also included, the average age of the whole group becomes 38 years. The age (in years) of the teacher is:

The average age of 39 students of a class is 39 years. If the age of the teacher is also included, the average age of the whole group becomes 40 years. The age (in years) of the teacher is: