Sum of first 20 natural numbers is 410....

Sum of first 20 natural numbers is 410.

A

32.25

B

44.25

C

33.25

D

30

Verified by Experts

DEPARTMENTAL MODEL PAPER
FULL MARKS|Exercise PART-II|13 Videos
DEPARTMENTAL MODEL PAPER
FULL MARKS|Exercise PART-III|13 Videos
COORDINATE GEOMETRY
FULL MARKS|Exercise ADDITIONAL QUESTIONS SOLVED (Answer the following questions)|20 Videos
GEOMETRY
FULL MARKS|Exercise THINKING CORNER|2 Videos

Similar Questions

Explore conceptually related problems

The difference between the sum of squares of first n natural numbers and the sum of first n natural numbers is always divisible by 2.

What is the sum of first n natural numbers ?

The sum of cubes of first n natural numbers is ……..of the first n natural numbers.

The sum of first n odd natural numbers is always an odd number.

What is the the sum of first 30 natural numbers? A)464 B)465 C)462 D)461

The variance of first 10 natural numbers is:

Variance of first 20 natural numbers is

The average of first 100 natural number is ___.

If the sum of first "n" even natural numbers is 420, find the value of n.