Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

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

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

There is so small cabin inside a deep forest.
All the forest burned out to worst possible but the inside of the cabin is still the same.
However all the person inside the cabin die.

How come ?

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

Solve the riddle below:

If a Chicken says, 'All chickens are liars" is the chicken telling the truth?

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

Jenifer and Jesica are having a conversation.

Jenifer: I am definitely not over 30.
Jesica: I am 28 and you are surely 5 years older to me at least.
Jenifer: No, you are at least 29.

You are told that both of them are lying throughout in the conversation. Can you find their respective ages?