What word begins and ends with an E, but has only one letter?

Give it food and it will live; give it water and it will die.

You know three triplets: Frank John and Wayne (need to return your money). Frank always tells the truth while John and Wayne always lie. You meet one of them on the road and can ask him a three-word question.
Which question, will you ask?

Jigsaw captured 100 people and make them stand in a circle and all these people are labelled as Person1, Person2, Person3... Person100. He made them play a crazy game in which Person 1 shot Person 2 and pass the gun to the next person and so on until one stands alive.

Which person will survive in the end?

Can you count the number of squares in the figure below?

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?