What brings you down but never up?

When can we add 2 to 11 and get 1 as the correct answer?

Which city is three-fifths chick two third cat and 50% goat?

This is a picture puzzle. You have to guess the name of the movie that can be related to the picture.

What is more useful when it is broken?

The more of this there is, the less you see. What is it?

Detective John was investigating a murder in China.
It was a difficult case, and John was completely stumped until he noticed a message sent to him by the killer cunningly hidden in a newspaper advertisement selling Car Licence Plates.
Detective John thought about it for a while, and when he had solved the puzzle, immediately arrested the guilty man.

Q1) How did John know the advert was a clue for him?

Q2) Solve the code and tell me who John arrested.

This is the newspaper advert (Car licence plates for sale) that Detective John saw.

Plates For Sale;

[W 05 NWO]
[H 13 HSR]
[O 05 EBM]
[D 08 UNE]
[U 10 HTY]
[N 04 BRE]
[N 16 TTE]
[I 26 LHC]
[T 10 AEE]
[I 26 CNA]
[X 22 VDA]

How do you go from 98 to 720 using just one letter?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?