Solve this riddle by finding the odd one out from the rest.

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?

Two guards were guarding the camp.Guard-1 was looking towards the south to make sure no threat is coming from the road.Guard-2 was looking at the north to make sure no threat is coming from the top. Suddenly Guard-1 ask the Guard-2 why he is smiling?How Guard-1 knows that Guard-2 is smiling?

The Judge knows that Alamgir was killed by his girlfriend Jasline, but the judge is unsure whether to punish her. Why?

What breaks yet never falls, and what falls yet never breaks?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

Which is Odd One Out and why?

4377

3954

9862

8454

9831

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?