Problem type - 1
1) Find the average of 30 and 40
2) Find the average of 7, 8 and 9
3) find the average of 70 g and 76 g
4) Find the average of Rs 80 and Rs 90
5) Find the average of 45.1 km, 36.5 km, and 39 km
6) Find the average of 15, 27, 18, and 40
7) Find the average of Rs 110, Rs 215, Rs 87 and Rs 28
problem type - 2
1) Find the average of first five natural number
2) Find the average of first four odd number
3) Find the average of first six even number
4) Find the average of first seven prime number
5) Find the average of first five composite number
6) Find the average of first six multiples of 3
7) Find the average of even numbers between 1 and 15
8) Find the average of all factors of 12
problem type -3
1) Find the average of `\2frac1 2` , `\4frac2 3` and `\6frac3 4`
2) Find the average of `\3frac1 2` and `\6frac1 2`
3) Find the average of `\frac1 4` , `\8frac3 4` and `\6frac5 8`
4) Find the average of `\3frac1 12` , `\1frac3 4` , `\2frac1 2` and `\1frac1 2`
5) Find the average of `\4frac1 2` , `\2frac1 2` , `\frac1 3` and `\frac1 4`
problem type -4
1) The age of five children are 13, 15, 11, 9, and 8 years respectively. Find their average age.
2) The age of six children are 7, 6, 11, 10, 12 and 8 years respectively. Find their average age.
3)The age of four children are 7, 10, 9, and 12 years respectively. Find their average age.
4) The age of six children are 12, 14, 15, 10, 11 and 16 years respectively. Find their average age.
problem type -5
1)If the average of 1, 2, 7, x, 6 is 7 find the value of x
2)If the average of 14, 17, 21, 24, 26 and x is 20. then find the value of x
problem type -6
1) The average of 8 numbers is 56. if three numbers are 49, 57, and 72. find the average of rest five numbers.
2) The average of five numbers is 14. If the average of first three number is 16. then find the average of last two numbers.
3) The sum of three consecutive numbers is 87. Find the average of greatest and smallest number
4) The average of nine numbers is 24. if the average of first five number is 23 and the average of last five number is 26 then find the fifth number.
5) The average of 6 numbers is 47. Two of these numbers are 42 and 64. Find the average of remaining four numbers.
6) The average of 30 students is 13 years. The average age of 18 students out of them is 15 years. Find the average age of remaining students.
6) The average of seven numbers is 128. Find the seventh number if the other six numbers are 127, 133, 118, 129, 122 and 139
7) The average of 5 students is 10 years. A student aged 14 drops out. Find the new average of the remaining 4 students.
8) In a class, 20 students are 1.15 m tall, 15 students are 1.20 m tall and 5 students are 1.25 m tall. What is the average height of the students in the class.
9) In an office 20 clerks get a salary of Rs 2500 each and 10 officers get a salary of Rs 4000 each. Find the average salary of the employees in the office.
10) A man's total income in the first six months of a year was Rs 6000 and in the last six months of the year it was Rs 7200. Find his monthly average income for that year.
11) The average weight of 6 boys is 36 kg. Find the weight of the 6th boy if the weight of five boys is 33kg, 32kg, 35kg, 39kg, and 40kg.
12) The average of four numbers is 5. if 0 is added to the numbers. What is the new average.
13) The average of 5 students is 10 years. A student aged 14 drops out. Find the average of remaining 4 students.
14) The average of 7 numbers is 128. Find the seventh number if the other six numbers are 127, 133, 118, 129, 122, 139.