What is the average of 123456789?

The sum of these divisors (counting 123,456,789) is 178,422,816, the average is 14,868,568….Divisors of 123456789.

When 75\% of a number is added to 75 the result is the number again what is the number?

Answer: The number is 300.

How do you find the average of 8 numbers?

The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.

What is the mean of 1 to 100?

The average of natural numbers 1 to 100 is 100. This is calculated by using the formula of average, which states that Average = Sum of all values/Total number of values. Here, the sum of values is 5050 and the total number of natural numbers from 1 to 100 is 100.

What is the HCF of 21 and 35?

7
GCF of 21 and 35 by Listing Common Factors There are 2 common factors of 21 and 35, that are 1 and 7. Therefore, the greatest common factor of 21 and 35 is 7.

What is the average between 75 and 100?

What is the average between 75 and 100? 87.5 is the average between 75 and 100.

What is the factor of 21?

The factors of 21 are 1, 3, 7, 21 and its negative factors are -1, -3, -7, -21.

What is the average of 8 numbers?

Average of 8 numbers is 21. If each number is multiplied by 8 then the average will also get eight times. Therefore average is 21×8=168. Let eight numbers be x1 ,x2 ,x3, …….. x8. Which is equal to 168.

How do you find the average of a set of numbers?

Solution: When we multiply each number by ” X “, the average would also get multiplied by “X”. Hence the average of new set of numbers = 15 x 12 = 180. Example – 7: In a certain school, there are 60 boys of age 12 each, 40 of age 13 each, 50 of age 14 each and 50 of age 15 each. Find the average age (in years) of the students of the school.

How do you calculate new average in math?

Shortcut method: Runs scored in 26th inning = new average + [ Old innings x Change in average ] Example – 10: The average marks of a group of 20 students on a test is reduced by 4 when the topper who scored 90 marks is replaced by a new student. how many marks did the new student have?

What is the example of average marks of 13 papers?

Example -20: Out of three numbers, the first is twice the second and thrice the third. If their average is 121, find the numbers. The given numbers are 198 , 99, 66. Example – 21: The student got average marks of 13 papers is 65.