What Adam and Eve do not have but the rest of the people have?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

What demands an answer, but asks no questions

How can you write nineteen in a manner that if we take out one, it becomes twenty?

Can you make the number 24 by utilizing the numbers 1, 3, 4 and 6? You must use one number only one time and you can use mathematical operation symbols anytime anywhere.

John has played 50 ODI's and his average is 50. How many runs should he score in his 51st ODI, so that his average score jumps to 51?

Complete the table series riddle by finding the number that can replace "??".

_ _ _ IE _ _
_ _ _ IE _
_ _ IE _ _
_ _ IE _
_ _ _ _ IE

Like you see, some letters have gone missing from these words that contain the IE pair at some or the other place. The letters that will be used to fill the blanks are given below. Use them and form meaningful words. Can you do that?

A, C, D, F, H, K, L, M, N, N, O, R, R, S, S, S, T, T, Y and Y.

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

A man is approaching a broad and barren land. He has a package with him. If somehow, he is unable to open the package before reaching the land, he will die.

Can you guess what is present in the package?