Count the squares in the matchstick puzzle below?

What has 88 keys?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

Three playing cards in a row. Can you name them with these clues? There is a two to the right of a king. A diamond will be found to the left of a spade. An ace is to the left of a heart. A heart is to the left of a spade. Now, identify all three cards.

What has 13 hearts but no other organs?

I have branches, but no fruit, trunk or leaves. What am I?

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]

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

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