Practice: Averages

Question 1 of 25

Medium Averages

The average weight of a group of 15 people increases by 2 kg when a new person weighing 70 kg joins the group. What was the average weight of the original group?

Question 2 of 25

Medium Averages

The average score of a class of 20 students is 85. If the highest score is removed, the average becomes 84. What was the highest score?

Question 3 of 25

Medium Averages

A batsman has a certain average for 10 innings. In the 11th inning, he scores 132 runs, thereby increasing his average by 5 runs. What is his average after the 11th inning?

Question 4 of 25

Medium Averages

The average salary of 5 employees is Rs. 25,000. If one more employee is added and the average salary becomes Rs. 26,000, what is the salary of the new employee?

Question 5 of 25

Medium Averages

A batsman has an average score of 42 runs in 10 innings. How many runs must he score in the next innings to increase his average score to 45 runs?

Question 6 of 25

Medium Averages

The average of 6 numbers is 12. If one number is removed, the average of the remaining numbers is 11. What is the number that was removed?

Question 7 of 25

Medium Averages

The average weight of 25 apples is 100 grams. If one apple weighing 120 grams is added, what is the new average weight?

Question 8 of 25

Medium Averages

Average age of 30 students is 14. With teacher, average becomes 15. Teacher's age?

Question 9 of 25

Medium Averages

The average marks obtained by 20 students in a class is 75. If the marks of two students are removed, the average becomes 78. If their marks differ by 4, find the marks of the student who scored higher.

Question 10 of 25

Medium Averages

The average of four consecutive even numbers is 27. What is the largest of these numbers?

Question 11 of 25

Medium Averages

The average age of a group of 10 people is 40 years. If a new person joins the group, the average age becomes 42 years. What is the age of the new person?

Question 12 of 25

Medium Averages

The average of 4 numbers is 20. If one number is removed, the average becomes 15. What is the number removed?

Question 13 of 25

Medium Averages

The average age of a group of 5 friends is 25 years. If one more friend joins the group, the average age becomes 24 years. What is the age of the new friend?

Question 14 of 25

Medium Averages

The average of the first 20 natural numbers is:

Question 15 of 25

Medium Averages

The average height of 30 students in a class is 150 cm. If the heights of the teacher and a new student are included, the average height increases by 1 cm. If the teacher's height is 180 cm, what is the height of the new student?

Question 16 of 25

Medium Averages

The average mark obtained by 20 students is 45. If the marks of two students were wrongly entered as 35 and 50 instead of 40 and 55, find the correct average.

Question 17 of 25

Medium Averages

The average of five numbers is 54. The average of the first three numbers is 52, and the average of the last three numbers is 56. What is the third number?

Question 18 of 25

Medium Averages

A student scored an average of 60 marks in four subjects. If the total marks obtained in three subjects are 200, what is the mark obtained in the fourth subject?

Question 19 of 25

Medium Averages

The average age of a class of 30 students is 15 years. If the age of the teacher is included, the average age increases by 1 year. What is the age of the teacher?

Question 20 of 25

Medium Averages

Average of 7, 12, 15, 20, 26?

Question 21 of 25

Medium Averages

The average monthly income of A and B is Rs. 12,000, and that of B and C is Rs. 15,000. If the average monthly income of A and C is Rs. 16,500, find B's monthly income.

Question 22 of 25

Medium Averages

The average salary of 5 employees in a company is Rs. 30,000. If a new employee is hired at a salary of Rs. 45,000, what will be the new average salary?

Question 23 of 25

Medium Averages

The average age of 40 students in a class is 16 years. The average age of 10 of them is 15 years. What is the average age of the remaining 30 students?

Question 24 of 25

Medium Averages

A cricketer has an average score of 42 runs in 25 innings. How many runs must he score in his next inning to increase his average by 2 runs?

Question 25 of 25

Medium Averages

Average of 5 consecutive even numbers is 30. The largest number is?

Finish

The average weight of a group of 15 people increases by 2 kg when a new person weighing 70 kg joins the group. What was the average weight of the original group?

The average score of a class of 20 students is 85. If the highest score is removed, the average becomes 84. What was the highest score?

A batsman has a certain average for 10 innings. In the 11th inning, he scores 132 runs, thereby increasing his average by 5 runs. What is his average after the 11th inning?

The average salary of 5 employees is Rs. 25,000. If one more employee is added and the average salary becomes Rs. 26,000, what is the salary of the new employee?

A batsman has an average score of 42 runs in 10 innings. How many runs must he score in the next innings to increase his average score to 45 runs?

The average of 6 numbers is 12. If one number is removed, the average of the remaining numbers is 11. What is the number that was removed?

The average weight of 25 apples is 100 grams. If one apple weighing 120 grams is added, what is the new average weight?

Average age of 30 students is 14. With teacher, average becomes 15. Teacher's age?

The average marks obtained by 20 students in a class is 75. If the marks of two students are removed, the average becomes 78. If their marks differ by 4, find the marks of the student who scored higher.

The average of four consecutive even numbers is 27. What is the largest of these numbers?

The average age of a group of 10 people is 40 years. If a new person joins the group, the average age becomes 42 years. What is the age of the new person?

The average of 4 numbers is 20. If one number is removed, the average becomes 15. What is the number removed?

The average age of a group of 5 friends is 25 years. If one more friend joins the group, the average age becomes 24 years. What is the age of the new friend?

The average of the first 20 natural numbers is:

The average height of 30 students in a class is 150 cm. If the heights of the teacher and a new student are included, the average height increases by 1 cm. If the teacher's height is 180 cm, what is the height of the new student?

The average mark obtained by 20 students is 45. If the marks of two students were wrongly entered as 35 and 50 instead of 40 and 55, find the correct average.

The average of five numbers is 54. The average of the first three numbers is 52, and the average of the last three numbers is 56. What is the third number?

A student scored an average of 60 marks in four subjects. If the total marks obtained in three subjects are 200, what is the mark obtained in the fourth subject?

The average age of a class of 30 students is 15 years. If the age of the teacher is included, the average age increases by 1 year. What is the age of the teacher?

Average of 7, 12, 15, 20, 26?

The average monthly income of A and B is Rs. 12,000, and that of B and C is Rs. 15,000. If the average monthly income of A and C is Rs. 16,500, find B's monthly income.

The average salary of 5 employees in a company is Rs. 30,000. If a new employee is hired at a salary of Rs. 45,000, what will be the new average salary?

The average age of 40 students in a class is 16 years. The average age of 10 of them is 15 years. What is the average age of the remaining 30 students?

A cricketer has an average score of 42 runs in 25 innings. How many runs must he score in his next inning to increase his average by 2 runs?

Average of 5 consecutive even numbers is 30. The largest number is?

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