What is always in front of you but can’t be seen?

What is the last thing you take off before bed?

What is the word or phrase?

What is the probability of choosing the correct answer at random from the options below?

a) 1/4
b) 1/2
c) 1
d) 1/4

I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

1. How can we put an elephant in the refrigerator?
2. How can we put a Giraffe in a refrigerator?
3. The king of the jungle invites all the animals to a party everyone comes except for one animal, which animal?
4. You come to a crocodile-infested lake, you can't go around it, you can't co under it and you can't go over it, how do you get across?

Solve the mathematical equation in the picture below.

Can you find out which number multiplied by itself will give the output as 12345678987654321?

What does the below rebus puzzle mean?

You can see it everyday, But cannot touch it at will. What is it?