solve the question as soon as possible please
Answers
Answer:
The sum of 3 consecutive odd numbers is 69.
That means 23+23+23=69.
Then the prime number in between 23 and 69 are 25,27,29,31,33,35,37,39,41,43,45,..........
Answer:
23 is the only prime no. among these 3 consecutive numbers.
Please refer to the attachment for the full solution.
Also, I would like to explain why I chose (2n + 1) as the 1st odd no.
Look, n is a natural no. And 2 × any natural no. gives us an even no. Right? Now, suppose the even no. we get is 2, to make it odd, we can add 1 to it, and we get 3. So, three is our 1st odd no. I have done just the same in the solution. We take 2n + 1 as the 1st odd. no, and then add 2 to it to get the 2nd odd no., and again add 2 to the previous no. to get the 3rd odd no.
( Just to make it clear, we add 2 instead of 1, because adding 1 will make it an even no! like, add 1 to 3, you get 4, which is even, but we only want odd consecutive numbers, so we add 2 to it.)
I hope it's clear now :)
