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

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

Can you solve this tricky maths equation problem by replacing it? mark with the correct symbol?

19834 -----: 187
15921 -----: 153
17561 -----: 139
13734 -----: ???

The chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in the row. The first three participants lose the lottery.

What is the chance of Mr John now?

what does this below rebus represent identXQQQQQME

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

I look at you, you look at me, I raise my right, you raise your left. What am I?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

A number can be multiplied by multiple of nine
i.e 9 18 27 36 45 ...

and the resulting number consist of only one digit.

Can you identify the number ?