What does this rebus mean?

O
N
C
E
TIME

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

What is the word or phrase?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

Can you find the 09 errors in the picture below?

What can you catch but never throw?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

Usually, a boxing match consists of twelve rounds. In a particular friendly match between two heavyweights, the match was finished in the ninth round itself as one of the boxers knocked out the other one.

But, in that fight, no man threw even a single punch.

How can this be possible?

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?

Name the three-letter word that can complete the below words:

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E