What number when divided in half becomes zero?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

Today is John's birthday.
A year ago, John had five candles and he lit all the candles except the one at the last.
Now he is going to light all the candles.

How old is John Today?

(He is not five today.....)

What is always in front of you but can’t be seen?

A man was going to bleach his socks because they had gotten muddy the day before. As he was pouring the bleach into the washing machine, he spilt some on the floor. He got some cleaning fluid and mopped it up with a rag. Minutes later he was dead. What killed him?

You are given 16 witch hats. The hats are divided in four different colours – red, blue, green and yellow. Every colour has been assigned to four hats. Now each of the hat will be glued with a label of an arithmetic sign – ‘+’, ‘-‘, ‘x’ or ‘/’. But you can label one sign only once on one colour. In such an arrangement, the hats can be uniquely defined by its colour and symbol.

Can you arrange all the 16 hats in a 4x4 grid in a fashion that no two rows and columns have a repetition of colour or sign?
We have arranged four hats in the below picture to assist you.

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.