Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

Whats the next number in the below number sequence pattern.

What always comes into a house through the keyhole?

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

What does this Rebus Picture mean?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

Steffi's daughter Jazelle needs to be picked up from school every day.
Steffi asks one of her colleagues to pick up Jazelle from the school. Steffi devised a password system to confirm that Jazelle goes with the correct colleague only.

The password on Monday was SJM16.
The password on Wednesday was TAW39.

What will the password be for Friday?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?

What is always in front of you but can’t be seen?