0
2304
Sum of an arithmetic progression = n/2 (2a + (n-1)d) where n is the number of items, a is the first item and d is the difference between them:
For the first 48 odd numbers:
- n = 48
- a = 1
- d = 2
→ sum = 48/2 (2 x 1 + (48 - 1) x 2)
= 482
= 2304
The sum of the first n odd numbers is always n2
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What is the sum of all odd numbers between 9 and 15?
To find the sum of all odd numbers between 9 and 15, we first identify the odd numbers between these two values, which are 9, 11, 13, and 15. Next, we add these numbers together: 9 + 11 + 13 + 15 = 48. Therefore, the sum of all odd numbers between 9 and 15 is 48.
The sum of 3 consecutive odd numbers is 39?
48 484 848
What are the odd numbers from 17-31?
48
What odd numbers are in between 48 and 59?
The odd numbers between these values are 49, 51, 53, 55, 57 and 59.
What are the odd numbers between 48 and 64?
43,45,47,49,51,53,55,57,59,61,63
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