Can you find out which number multiplied by itself will give the output as 12345678987654321?

What number divided by 4 is the same as that number minus 4?

Three playing cards in a row. Can you name them with these clues? There is a two to the right of a king. A diamond will be found to the left of a spade. An ace is to the left of a heart. A heart is to the left of a spade. Now, identify all three cards.

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?

Can you count the number of quadrilaterals in the picture below?

You’re out on the water and see a boat filled with people. You look away for a second and look back again, but this time you don’t see a single person on the boat. Why? Hint: The boat did not sink.

Count the number of triangles in the below picture?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

I have branches, but no fruit, trunk or leaves. What am I?