Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

I am sure no one can have two things for dinner. what are they?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

Once while in his court, King Akbar asked Birbal to write something on a wall that makes one sad when read in good times and makes one happy when read in sad times.

He took only a few moment and wrote something that fit the requirements. What did he write?

How many letters are in the alphabet?

A crime was committed at baker street. Ibrahim Dakota who was shot in the stomach was the main suspect. Sherlock questioned the suspect. The conversation started as:
Sherlock: What's your story, Ibrahim?
Ibrahim: I was walking around baker street and suddenly a man from the back shot me. I ran as fast as I could to save my life".
Sherlock: That is enough (and ask the police to arrest him).

Why does Sherlock think he is the murderer?

After undergoing a successful eye operation, A blind girl has just boarded a train to her home. The doctor asked her to open the bandages after 3 hours. On her train journey, she opened the bandages and within a fraction of the time she commits suicide by jumping off the train.

Though her operation was successful, Why did she commit suicide?

Can you identify the famous TV character from the rebus below?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

When 99 is considered higher than 100?