What does this rebus riddle means ?

A man dies of old age on his 25 birthday. How is this possible?

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

A cricket has 6 legs, a squirrel has 4 legs and a spider has 8 legs.

In a local zoo, it was found that the total number of legs is 612. Also, there are equal number of each of the above animals/insects.

Can you find out how many animals are there in the zoo?

There is a barrel with no lid and some wine in it. 'This barrel of wine is more than half full,' said Curly. 'No it's not,' says Mo. 'It's less than half full.' Without any measuring implements and without removing any wine from the barrel, how can they easily determine who is correct?

Find the next number in the following series:
6, 14, 26, 98, __?

What kind of band never plays music?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?