Find the hidden tiger in the given optical illusion ?

Which letter of the alphabet has the most water?

Peter wakes up daily to pick up his cycle and crosses the border between Spain and France daily with a bag on his shoulder. He is investigated daily by the officials but they don't find anything suspicious.

If we tell you that he is smuggling something what would it be?

Can you circle exactly four of these numbers such that the total is twelve?

1 6 1
6 1 6
1 6 1
6 1 6

Which is the smallest number that you can write using all the vowels exactly once?

What is next number in the pattern below:

131 517 192 123 ?

How many sides does a circle have?

Look at the picture and find out which square is not linked with any of the other squares.

I have thought of a number that is made up by using all the ten digits just once. Here are a few clues for you to guess my number:

First digits is divisible by 1.
First two digits are divisible by 2.
First three digits are divisible by 3.
First four digits are divisible by 4.
First five digits are divisible by 5.
First six digits are divisible by 6.
First seven digits are divisible by 7.
First eight digits are divisible by 8.
First nine digits are divisible by 9.
The number is divisible by 10.

Can you find out the number ?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?