Practice: Averages

Question 1 of 25

Medium Averages

Average of first 10 odd natural numbers?

Question 2 of 25

Medium Averages

The average score of a batsman in 10 innings is 50. How many runs must he score in the next inning to increase his average to 55?

Question 3 of 25

Medium Averages

The average marks of 45 students in a class is 70. If the marks of the 5 highest-scoring students are not considered, the average becomes 68. What is the average marks of the top 5 students?

Question 4 of 25

Medium Averages

The average weight of 6 people is 70 kg. If one person leaves the group, the average weight of the remaining people is 68 kg. What was the weight of the person who left?

Question 5 of 25

Medium Averages

Mean of 5 numbers is 27. If one number is excluded, mean = 25. Excluded?

Question 6 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 7 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 8 of 25

Medium Averages

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

Question 9 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 10 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 11 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 12 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 13 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 14 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 15 of 25

Medium Averages

The average score of three students in a test is 76. If the first student scored 78 and the second scored 82, what did the third student score?

Question 16 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 17 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 18 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 19 of 25

Medium Averages

The average weight of 15 boys in a class is 68 kg. If the weight of the teacher is added, the average increases by 1 kg. What is the weight of the teacher?

Question 20 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 21 of 25

Medium Averages

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

Question 22 of 25

Medium Averages

In a cricket match, the average score of 7 players is 48 runs. If the highest score is excluded, the average becomes 44. What was the highest score?

Question 23 of 25

Medium Averages

The average of the first 15 natural numbers is:

Question 24 of 25

Medium Averages

The average weight of a group of 10 students is 50 kg. If the heaviest student's weight is removed, the average weight drops to 48.5 kg. What is the weight of the heaviest student?

Question 25 of 25

Medium Averages

In a class of 40, the average mark is 65. If 5 students are removed and average becomes 70, sum of removed marks?

Finish

Average of first 10 odd natural numbers?

The average score of a batsman in 10 innings is 50. How many runs must he score in the next inning to increase his average to 55?

The average marks of 45 students in a class is 70. If the marks of the 5 highest-scoring students are not considered, the average becomes 68. What is the average marks of the top 5 students?

The average weight of 6 people is 70 kg. If one person leaves the group, the average weight of the remaining people is 68 kg. What was the weight of the person who left?

Mean of 5 numbers is 27. If one number is excluded, mean = 25. Excluded?

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?

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

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

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 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 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 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 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?

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 score of three students in a test is 76. If the first student scored 78 and the second scored 82, what did the third student score?

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?

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 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 weight of 15 boys in a class is 68 kg. If the weight of the teacher is added, the average increases by 1 kg. What is the weight of the teacher?

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

In a cricket match, the average score of 7 players is 48 runs. If the highest score is excluded, the average becomes 44. What was the highest score?

The average of the first 15 natural numbers is:

The average weight of a group of 10 students is 50 kg. If the heaviest student's weight is removed, the average weight drops to 48.5 kg. What is the weight of the heaviest student?

In a class of 40, the average mark is 65. If 5 students are removed and average becomes 70, sum of removed marks?

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