Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

What is full of holes but still holds water?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

The answer I give is yes, but what I mean is no. What was the question?

Can you solve the below tricky visual equation?

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

Suppose you are sitting in an interview and the interviewee asks you an aptitude question.

You have three buckets with a capacity of 4 litres, 8 litres and 10 litres and you have a large tank of water. Now you have to measure 3 litres of water precisely using those buckets. How will you do it?