# Question: What Is The Sum Of First 10 Numbers?

## How do you find the sum of the first 10 natural numbers?

Write a C program to find the sum of first 10 natural numbers.Pictorial Presentation:Sample Solution:C Code: #include void main() { int j, sum = 0; printf(“The first 10 natural number is :\n”); for (j = 1; j <= 10; j++) { sum = sum + j; printf("%d ",j); } printf("\nThe Sum is : %d\n", sum); } ...

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## What is the formula for sum of odd numbers?

The total of any set of sequential odd numbers beginning with 1 is always equal to the square of the number of digits, added together. If 1,3,5,7,9,11,…, (2n-1) are the odd numbers, then; Sum of first odd number = 1. Sum of first two odd numbers = 1 + 3 = 4 (4 = 2 x 2).

## What is the sum of consecutive numbers from 1 to 10?

Answer is 55. Basically, you can rewrite the sum as 1+2+3+4+5+6+7+8+9+10 = (1+10+2+9+3+8+4+7+5+6) = (11+11+11+11+11) = 11*5 = 55. Using a formula: To sum consecutive numbers from 1 to n (that is 1,2,3,….,n-1,n) : a simple formula exists: n(n+1)/2. Example: here n=10, therefore n(n+1)/2 = 10(10+1)/2 = 11*5 = 55.

## What is the sum of 1 to 365?

66795 is a sum of number series from 1 to 365 by applying the values of input parameters in the formula.

## How do you find the sum of 1 to 100?

The sum of the numbers 1-100 would be equal to the number of pairs (50) multiplied by the sum of each pair (101), or 50 x 101 = 5,050.

## What is the sum of first 20 odd numbers?

Answer: The sum of first 20 odd natural numbers is 400.

## What is the sum of even numbers?

The sum of even natural numbers between 1 and 2n can be written as the sum of 2*i from i=1 to i=n. Factoring out the 2, it is equal to 2 times the sum of i from i=1 to n.

## What is the formula of sum of n terms?

Sum of N Terms Formula It is equal to n divided by 2 times the sum of twice the first term – ‘a’ and the product of the difference between second and first term-‘d’ also known as common difference, and (n-1), where n is numbers of terms to be added.

## What is the sum of first n odd numbers?

To find the sum of first n odd numbers we can apply odd number theorem, it states that the sum of first n odd numbers is equal to the square of n. if we apply odd number theorem: sum of first 10 odd numbers = n * n = 10 * 10 = 100.

## What is a sum of a series?

The sum of the terms of a sequence is called a series . If a sequence is arithmetic or geometric there are formulas to find the sum of the first n terms, denoted Sn , without actually adding all of the terms.

## What is the sum of first n numbers?

Sum of the First n Natural Numbers We prove the formula 1+ 2+ … + n = n(n+1) / 2, for n a natural number.

## What is the sum of first 100 odd numbers?

The number series 1, 3, 5, 7, 9, . . . . , 199. Therefore, 10000 is the sum of first 100 odd numbers.

## What is the sum of the counting numbers from 1 to 20?

The number series 1, 2, 3, 4, . . . . , 19, 20. Therefore, 210 is the sum of positive integers upto 20.

## What is the sum of first 50 even numbers?

The number series 2, 4, 6, 8, 10, 12, . . . . , 100. Therefore, 2550 is the sum of first 50 even numbers.