A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

I throw two dice simultaneously.

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

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?

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

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

In a concert, Christina is performing a dance show with her group.
At 10:00, she and her crew were dancing in an absolutely straight line. At that time Christina was standing in 4th position from both the front and back end of the row.

What was the size of her crew?

Can you place six X (crosses) in below board without making three in a row in any way ?

What does below rebus means ?

Two natural numbers have a sum of less than 100 and are greater than one.

John knows the product of the numbers and Jacob knows the sum of numbers.

The following conversation takes place between them:
John: 'I am not aware of those numbers.'
Jacob: 'I knew you wouldn't be. I am not aware myself.'
John: 'Now I know them!'
Jacob: 'Now I know them, too!'

What are the two numbers?

If your uncle’s sister is not your aunt, what relation is she to you?