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

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

O_er_t_o_

Complete the missing letters of the given word.

What 5-letter word typed in all capital letters can be read the same upside down?

What is the longest word in the dictionary?

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

The Federal bank of London is abducted by the robbers. The head of the robbers asked the cashier to empty their money vault to them and when suddenly cashier got a call from her father. To avoid any suspicion, the robber asked the cashier to pick the call and reply her father in the shortest manner possible.

The cashier told her father "Is there an emergency father, Call me when you are free and I will help you in your furnishing" and then the cashier hung up the phone.

After 10 minutes, police arrived at the crime scene.

How did the police know about the robbery?

I have feet, but no legs. Which animal Am I?

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M