I have eight fingers and two thumbs but I do not live. What Am I?

A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?

A man looks at a painting in a museum and says, “Brothers and sisters I have none, but that man’s father is my father’s son.” Who is in the painting?

At a bar, three friends, Mr Green, Mr Red and Mr Blue, were having a drink. One man was wearing a red suit; one a green suit; and the other a blue suit. 'Have you noticed,' said the man in the blue suit, 'that although our suits have colours corresponding to our names, not one of us is wearing a suit that matches our own names?' Mr Red looked at the other two and said, 'You're absolutely correct. What colour suit is each man wearing?

What do you answer even though it never asks you questions?

How many times in a given day, minutes and hour clock comes in a straight line ?

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

Can you identify the hidden rebus in the image below?

Next Number in the Series,

5, 16, 49, 104, ?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?