Q. 513.7( 7 Votes )

# Find the mean of the first ten even natural numbers.

Answer :

Formula used/Theory.

Sum of even natural numbers = n(n + 1)

Mean =

Sum of 10 even numbers.

10(10 + 1) = 10×11 = 110

Mean = = 11

Rate this question :

The marks in a subject for 12 students are as follows:

31, 37, 35, 38, 42, 23, 17, 18, 35, 25, 35, 29

For the given data, find the

(a) Range (b) Mean

(c) Median (d) Mode

NCERT - Exemplar MathematicsThe following are weights (in kg) of 12 people.

70, 62, 54, 57, 62, 84, 75, 59, 62, 65, 78, 60

A. Find the mean of the weights of the people.

B. How many people weigh above the mean weight?

C. Find the range of the given data.

NCERT - Exemplar MathematicsFind the median of first nine even natural numbers.

NCERT - Exemplar MathematicsFind the median of the given data if the mean is 4.5.

5, 7, 7, 8, x, 5, 4, 3, 1, 2

NCERT - Exemplar MathematicsFind the mean of the first ten even natural numbers.

NCERT - Exemplar MathematicsState whether the statements are True or False.

Mean can never be a fraction.

NCERT - Exemplar MathematicsState whether the statements are True or False.

Mean of the data is always from the given data.

NCERT - Exemplar Mathematics