Prove that the below maths equation is true.

8 + 8 = 91

A sundial has the fewest moving parts of any timepiece. Which has the most?

I have eight fingers and two thumbs but I do not live. What Am I?

As a whole I am both
safe and secure.

Behead me and I become
a place of meeting.

Behead me again and I am
the partner of ready.

Restore me, and I become
the domain of beasts.

What am I?

Which tank will fill first?

Can you decipher the two rows to find the hidden word?

There are two dice with empty faces in front of you and a marker. You can mark any number on each of the faces of the two dice, but you have to display all 31 days of the month using the two of them.

Which numbers will you mark on which dice so that you can easily depict all the dates of the month?

How can you throw a ball as hard as you can and have it come back to you even if it doesn't hit anything there is nothing attached to it and no one else catches or throws it.

A beggar on the street can make one cigarette out of every 6 cigarette butts he finds. After one whole day of searching and checking public ashtrays the beggar finds a total of 72 cigarette butts. How many cigarettes can he make and smoke from the butts he found?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?