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

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

I know a nine-letter word having only one vowel.
Do you ?

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

John is found dead in a bare field. Nobody killed John,
John did not commit suicide.

Inspector Jacob found a bag just a few meters away from John which could save his life. What was in the bag?

John was writing his first book. After saving the document, he locked his laptop with a password and mentioned some phrases for the hint box.

A friend of his tried opening his laptop but found out that it was password protected. Following is the hint that appeared.
1 mobile 3 books 2 roars 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches.

Can you help him in cracking the password?

There are forty elephants and they have forty-fore heads. How can this be possible?