I have teeth but i don't bite. Who Am I ?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

I am a word that begins with the letter “i.” If you add the letter “a” to me, I become a new word with a different meaning, but that sounds exactly the same. What word am I?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

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]

You are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.

How can you take 2 from 5 and leave 4?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?