Can you name some countries which do not have the alphabet 'A' in them?

I add 5 to 9 and get 2. The answer is correct, so what am I?

Jenifer is learning to drive her car. She went down a one way lane and in the wrong direction. But she do not break any law.

How come ?

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

Find out the missing number in the picture attached:

What is the next number in this matchsticks series riddle?

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

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?

I know a nine-letter word having only one vowel.
Do you ?

What has hands, but can’t clap?