What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

What does this rebus riddle means ?

There is a jar in which there are two types of candies.
20 blueberries and 16 strawberries. You perform the following steps:
1) You take out two candies.
2) If the two candies are of the same flavour, you add a blueberry one otherwise, you add the strawberry one.

You repeat these two steps till there is just one candy remaining in the jar. Which flavoured candy will be left?

Can you place six X (crosses) in below board without making three in a row in any way ?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

What is the next number in the series?

15 29 56 108 208 ?

What does this simple rebus mean?

You need to move three matchsticks to form three squares. Can you do it?

How many times can you subtract the number 5 from 25?

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