I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

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?

I am a five-letter word under you,
Remove the first letter and I am above you,
Remove the second as well and I am around you.

Who am I?

What is wrong in the below Picture?

Which of the below owl is odd one out?

Can you find the number of triangles in the given figure?

Can you find the 09 errors in the picture below?

Solve the puzzle by telling what does below picture means.

Can you make a fire with just a single stick?

Can you arrange the six given marbles in a manner that each one of them is touching all four marbles of different colours?