If eleven plus two equals one, what does nine plus five equal?

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

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

If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?

A newspaper is supposed to have 60 pages.Pages 14 and 21 are missing from the newspaper.

Can you tell me , Which other pages won't be there as well ?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

What does does this rebus picture means ?

A convention is held where all the big logicians are summoned. The master places a band on everyone's forehead. Now all of them can see others bands but can't see his own. Then they are told that there are different colours of bands. All the logicians sit in circle and they are further explained that a bell will ring at regular intervals. The moment when a logician knew the colour of band on his forehead, he will leave at the next bell. If anyone leaves at the wrong bell, he will be disqualified.

The master assures the logicians that the puzzle will not be impossible for anyone of them. How will the logicians manage ?

Can you replace the question mark with the correct number in the below table sequence?