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What is the sum of first 16 odd numbers?

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What is the sum of first 16 odd numbers?

Therefore, 256 is the sum of first 16 odd numbers.

What are the first 16 odd numbers?

The first 16 odd numbers are 1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31.

What is the sum of 16 consecutive odd numbers?

The first 16 odd numbers are 1,3,5,……………. 31. These are in AP with a=1, d= 2, n= 16 and l = 31. So their sum = (n/2)(a+l) = (16/2)(1+31) = 256.

How do you find the sum of the first 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).

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How do you find the sum of the first 15 odd numbers?

The sum of first ‘n’ odd numbers is n2. So Here ‘n’ is 15. So Sum of first 15 odd numbers is 152 = 225.

What is the sum of the cubes of the first three natural numbers?

13.

What is the sum of the first 30 odd numbers?

900
The sum of the first 30 odd numbers is 900. We start by identifying the first 30 odd numbers: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29,…

How do you add consecutive odd numbers?

The sum of any set of consecutive odd numbers starting with 1 is always equal to the square of the number of digits that were added together.

  1. Sum of first odd number = 1.
  2. Sum of first two odd numbers = 1 + 3 = 4 (= 2 x 2).
  3. Sum of first three odd numbers = 1 + 3 + 5 = 9 (= 3 x 3).
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What is the sum of the first 15 odd numbers?

225
Detailed Solution The sum of first ‘n’ odd numbers is n2. So Here ‘n’ is 15. So Sum of first 15 odd numbers is 152 = 225.

How do you find the sum of the first 20 odd numbers?

The first 20 odd natural numbers are given by : 1,3,5,7,9……,37,39. Put all the values in the formula, Therefore,The sum of first 20 odd natural numbers is 400.

What is the sum of first 15 even numbers?

2+4+6+8+10+12+14+16+18+20+22+24+26+28+30=240.

What is the sum of numbers from 1 to 15?

Input parameters & values: The number series 1, 2, 3, 4, . . . . , 14, 15. Therefore, 120 is the sum of positive integers upto 15.