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

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?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

Why is it very easy to weigh a fish?

What does it mean?

Here is a Swiss Cross. You have to make two straight cuts in the figure so that it is divided into four congruent pieces. Also, you should be able to join these pieces into a square then. Can you accept this challenge?

How many triangles are there on the puzzle below?

If two's company, and three's a crowd, then whats four and five ?

Replace the question mark in the picture below.

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?