How can you drop a raw egg from a height onto a concrete floor without cracking it?

What is next number in the pattern below:

131 517 192 123 ?

Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?

What kind of band never plays music?

Can you count the number of children in the picture below

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

John gave half of the apples he had plus one more to Jacob. He gave half of the remaining ones plus one more to James. Now, John was left with just one apple.

Can you find out how many did he have in the beginning?

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 ?

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

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes