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?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

Can you find the odd number in the following five choices?

1) 482636
2) 259807
3) 865195
4) 104739
5) 391744

Replace the question mark with the correct number in the below-given picture?

By moving just one matchstick, you need to make the below statement true. Can you do it?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

What is so fragile that saying its name breaks it?

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()