Design Flowcharts for following problems

Given N find sum of even numbers from 1 to N.
Given a Number N check if it Prime or Not?
Given a Number N check if it part of Fibonacci Series or Not?,integer%2C%20you%20get%20a%20remainder.

use this formula
A number is Fibonacci if and only if one or both of (5n2 + 4) or (5n2 – 4) is a perfect square (Source: Wiki).

I hope I’ve cleared your doubt. I ask you to please rate your experience here
Your feedback is very important. It helps us improve our platform and hence provide you
the learning experience you deserve.

On the off chance, you still have some questions or not find the answers satisfactory, you may reopen
the doubt.