13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

In a fruit store, there was a unique weighing machine that was made to weigh only cherries and strawberries as they were priced the same.

Other fruits like watermelons or mango had different machines as they were expensive.

A man successfully buys watermelons at the price of cherries. How?

In the four images below, can you find the odd one out?

Name the three-letter word that can complete the below words?

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

Solve the following series:
AZ, GT, MN, __, YB

Outside a tattoo artist's shop, there was a signboard which read 'I make tattoos on only them who do not tattoo themselves'.

Reading it what do you think, does the tattoo artist tattoo himself?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

What has a bottom at the top?