1 is the 1st odd number
3 is the 2nd odd number
5 is the 3rd odd number and so on
7 is the 4th odd number and so on
if x is the 1000th odd number then x=2*1000-1=1999
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The formula to find the nth odd number is 2n-1. To find the 1000th odd number, we substitute n with 1000: 2(1000)-1 = 2000-1 = 1999. Therefore, the 1000th odd number is 1999.
The first odd number is 1 The 1000th odd number is 1000 x 2 - 1 = 1999 Sum = number_of_numbers x (first_number + last_number) ÷ 2 = 1000 x (1 + 1999) ÷ 2 = 1000 x 2000 ÷ 2 = 1000000
odd
An odd number times an odd number is an odd number no matter which 2 odds you multiply.
If the last number is odd or even then the whole number is odd or even, in this case the last number is 3 which is an odd number, therefore the whole number is odd.
Odd