Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?

The more you take me, the more you leave me behind.
Who Am I?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

Which is the correct shadow of the bird?

What has lots of eyes, but can’t see?

An exterior architect is asked by a builder to plant seven trees in a manner that there are exactly six rows of trees in a straight line and each row has three trees in particular.

How will he do it?

Can you find the company name in the pictogram below?

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

Can you count the number of squares in the given picture?