The Little ant seems to be always confused. Do you know why?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

They are three errirs in this question. Can you find them?

John is found dead in his office at his desk. The police have narrowed the suspects down to three people: Mrs. Jacob, John’s wife Hena and his business partner Jason . All three visited John on the day of his murder, but all three provide the police with stories of explanation as to the reason for their visit.
Police found John with his wrist watch still on his right arm, a torn up picture of his wife laying on the floor beside the trash can, and an ink pen in his right hand. On the desk, the police found a name plate, a telephone that was off the hook, and a personal calendar turned to the July 5th page with 7B91011 written on it. After examining this evidence, the police knew their suspect. Who was it ?

How can you throw a ball as hard as you can and have it come back to you even if it doesn't hit anything there is nothing attached to it and no one else catches or throws it.

If a wheel has 54 spokes, how many spaces are there between the spokes?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

What makes this number unique: 8,549,176,320?

Next Number in the Series,

5, 16, 49, 104, ?

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?