How many sides does a circle have?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?

A car is crossing a 20 km-long bridge. The bridge can support at most 1500kg of weight over it. If somehow, the weight on the bridge becomes more than that, it will break.

Now, the weight of the car is exactly 1500kg. At the midway, a bird comes and sits on the roof of the car. This bird weighs exactly 200 grams.
Can you tell if the bridge breaks at this point or not?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

I am quite hot but become too cold if you remove the first two letters. What am I?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

What can jump higher than a building?

Rob is taller than Edwin, and Jurgen is shorter than Rob.
Of only one of the following statements, we now certainly know it is correct:

A.Edwin is taller than Jurgen
B.Jurgen is taller than Edwin
C.It cannot be determined if Jurgen or Edwin is the tallest.

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?