What number when divided in half becomes zero?

Find the next number in the series.
1 10 24 43 67 ?

Can you name an animal whose killing cannot be performed without spilling your own blood?

What do you think with the below Picture ?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

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?

I make two people out of one. What am I?

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?