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

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

Can you replace the question mark with the correct number?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

Jack was having a candle light dinner with his girlfriend. Suddenly a cold gush of wind entered through the open window and three of the ten candles were extinguished. Assuming that none of the other candles were extinguished.

How many candles are they left with in the end ?

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

Can you find the odd number in the following five choices?

1) 482636
2) 259807
3) 865195
4) 104739
5) 391744

I inserted a coin in a bottle and closed its mouth with the help of a cork. Now, I was able to take the coin out from the bottle without taking out the cork or breaking the bottle. Can you tell me how I did it?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?