In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable

Solve the puzzle by telling what does below picture means.

Name a key which is hardest to turn.

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

Prove that the below maths equation is true.

8 + 8 = 91

Identify the next two numbers in this series.

101, 112, 131, 415, 161, 718, ???, ???

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

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]

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

What four weights can be used to balance from 1 to 30 pounds?