Decode below three cipher riddles:

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

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

Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

A person was killed at a house party. When the police arrive, there are six people present in the house who are the friends of the victim. The name of the friends is Rohit, Aman, Nick, Gagan, and Randy.

Near the dead body, they find a few numbers written with blood by the victim on the floor. The numbers are 8, 5, 4, and 11.

The police arrests one of the friends for the murder. Whom did they arrest and why?

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

who is silent in the parliament?

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

What has many keys but can’t open a single lock?