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The average monthly salary of 10 employees in a company's IT department is ₹45,000. If two new employees join, taking the total to 12, and the average becomes ₹46,500, what is the average salary of the two new employees?

The average of 21 numbers is 69. If the average of the first ten is 66 and the average of the last ten is 72, find the 11th number.

The average salary of 12 employees is ₹20,000. The average salary of 4 senior staff is ₹30,000. What is the average salary for the other employees?

The average of 15 results is 80. If the top two results are excluded, the average becomes 78. What is the average of the top two results?

The average of 10 numbers is 64. If two of them are removed and the new average becomes 62, what is the average of the two removed numbers?

A class of 50 students has an average score of 65. If 10 new students are added and the class average decreases by 1, what is the average score of the 10 new students?

A bullet train covers a fixed distance in 30 minutes at an average speed of 360 km/h. Due to track maintenance, it needs to be diverted, increasing the distance by 25%. If the train needs to arrive at its destination on time (i.e., in 30 minutes), what should its new average speed be in km/h?

The average of a certain number of quantities is 48. If 6 is added to each quantity, what will be the new average?

A cyclist travels from City A to City B at an average speed of 40 km/h and takes 8 hours. If they want to complete the same journey in 5 hours, by what amount (in km/h) must the average speed be increased?

The average weight of 13 people is 65 kg. If one person leaves and the new average becomes 65.5 kg, what is the weight of the person who left?

The average of 8 numbers is 56. When one number is removed, the average becomes 54. What number was removed?

The average salary of 20 workers in a factory is ₹48,000. If the salary of a supervisor is added, the average rises to ₹49,500. What is the supervisor's salary?

The average of a certain number of quantities is 38. If 7 is added to each quantity, what will be the new average?

A cricketer has played 10 innings with an average score of 50. In the next innings he scores 110. What will be the new average?

In a company, the average salary of 3 junior employees is ₹25,000 and that of 2 senior employees is ₹50,000. What is the combined average salary?

An investor tracks 6 stocks. Five of them have an average return of 7%. If the overall average return is 10%, what was the return on the sixth stock?

A batsman's average score for a certain number of innings is 66. If he scores 144 runs in the next innings, his average becomes 72. How many innings did he play earlier?

The average age of 30 students in a class is 15 years. When a new student is admitted, the average increases by 0.3 years. What is the age of the new student?