Can you decipher the two rows to find the hidden word?

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?

Can you solve below mathematical equation?

2^1234 - 2^1233

John, Jack and Jill are in a desert. John doesn't like Jill and hence decides to murder him. He poisons the water supply of Jill. Since it is a desert area, Jill must drink or he will die of thirst.

Jack does not know of the actions of John and also decides to murder Jill. To succeed in his ill motives, he removes the water supply of Jill so he dies of thirst.

Jill dies due to thirst. Who murdered Jill?

A Club organizes a Running Race, and John, Jacob, Minda, and Tony participated.

The results are as follows

John beats Jacob
Minda beats Toni
Toni beats John

Who came first in the race?

What word is identified by the below rebus?

Your Your Your Your Your
Your Your Your Your Your

An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

Solve the equation in the image by looking at the pattern closely.

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 ?