What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

Which word does the below Plexor means ?

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?

One day, I thought of ways that can be used for creating a palindrome. So I decided that I will turn into a larger number by adding the reversed digits to the original number and keep doing it till I finally obtained a palindrome.

I am not sure if this process will always result in a palindrome eventually but I was able to produce a four-digit palindrome. Can you guess my starting number?

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

You see me once in June, twice in November, and not at all in May. What am I?

Can you count the number of triangles in the given picture?

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

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