Find the next number in the sequence

1, 2, 6, 21, 88, __?

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

1. What does:
TIM JOB
represent?

2. What does:
MO_ _
represent?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

If we tell you that there is a relation between the numbers and letters in the given figure, can you analyze it and find the missing letter in the last box?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

John was drowned by he was not wet. How?

What you cannot hold but it is yours?