Average Topic Questions - Chetna IAS Coaching in Najafgarh

Find the average of 10, 20, 30, 40, and 50.
The average of 5 numbers is 18. Find their total sum.
If the average of 7 numbers is 9, what is their total?
The average of 12, 15, 18, and 21 is increased by 3 when a fifth number is added. Find the fifth number.
The average of 6 consecutive even numbers is 27. Find the smallest number.
Find the average of first 5 odd numbers.
The average weight of 4 boys is 52 kg. If one more boy joins and the new average becomes 53 kg, find the weight of the new boy.
The average of 8 numbers is 25. If one number 41 is removed, find the new average.
The average marks of 10 students is 70. If one student’s marks were wrongly entered as 80 instead of 60, find the correct average.
The average of two numbers is 24. If one number is 18, find the other.

The average age of 30 students is 15 years. If the teacher’s age is included, the average becomes 16. Find the teacher’s age.
The average of 20 results is 45. Later, it was found that one value 65 was taken instead of 45. Find the correct average.
The average of 10 numbers is 70. If each number is increased by 5, what will be the new average?
A cricketer’s scores in 5 innings are 45, 60, 55, 40, and 50. Find the average score needed in the 6th innings to make the average 55.
The average of three numbers is 20. If one of them is 18 and the difference between the other two is 4, find the numbers.
The average of 9 numbers is 50. If one number is twice another and the remaining are all 50, find the two numbers.
The average monthly salary of 10 employees is ₹15,000. If the manager’s salary is added, the average becomes ₹16,000. Find the manager’s salary.
The average age of a family of 5 members is 30 years. A child aged 5 years is born. Find the new average age.
The average of three consecutive multiples of 7 is 35. Find the numbers.
The average height of 40 students is 150 cm. Later, it was found that one value was 160 cm instead of 140 cm. Find the correct average.

The average of 11 numbers is 60. If the average of the first six is 58 and that of the last six is 63, find the sixth number.
The average age of a class of 40 students is 16 years. When a new student joins, the average increases by 0.2 years. Find the age of the new student.
The average of 100 items was found to be 50. It was later found that two items were wrongly recorded as 70 and 30 instead of 60 and 40. Find the correct average.
The average weight of A, B, and C is 45 kg. If the average weight of A and B is 40 kg and that of B and C is 43 kg, find the weight of B.
The average of 5 numbers is 40. If each number is multiplied by 2, what will be the new average?
The average marks obtained by 120 students is 35. If the average marks of boys is 40 and that of girls is 30, find the number of boys in the class.
The average age of a group of 8 men is increased by 2 years when one man aged 30 is replaced by another. Find the age of the new man.
The average age of 24 students and a teacher is 15 years. If the teacher’s age is 39 years, find the average age of the students.
The average of 4 consecutive odd numbers is 56. Find the largest number.
The average of first 10 even numbers is subtracted from the average of first 10 odd numbers. Find the result.

Average — Definition

Average means Equal Distribution of Total Quantity among all Items.