There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

What does this rebus puzzle means ?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

Name the three-letter word that can complete the below words?

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

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

Intelligence Agency need to break the vault but the problem is that they are not able to break the vault.

On the vault, a text is written as:

31 11 33 33 43 45
21 25
31 24 11 31 51 41

To Break the code Intelligence Agency brings a mathematician named Joseph.
Minutes later he deciphers the code.

Whats the code?

Assume the given figure to be a delicious doughnut. Yes, now you can concentrate more on the puzzle. So you have this delicious doughnut in your refrigerator when your friends come knocking at the door. There are eight of them. Now you have to make three cuts in this doughnut so that each one of you nine people can enjoy a piece of it. Neither you nor your friends would mind the size of their piece as long as they are getting it. How will you do it?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

A father's child, a mother's child, yet no one's son.

Who am I?