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?

Use the digits from 1 up to 9 and make 100.

Follow the rules.
=> Each digit should be used only once.
=> You can only use addition.
=> For making a number, two single digits can be combined (for example, 4 and 2 can be combined to form 42 or 24)
=> A fraction can also be made by combining the two single digits (for example, 4 and 2 can be combined to form 4/2 or 2/4)

Question: how can we do this?

Can you spot the hidden girl in the picture below?

A Monkey, a squirrel, and an Eagle are racing to the top of the mango tree. Assuming all these animals are in perfect shape, Which animal will reach to Banana first?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

By what process could you make a 'Tea-Table' into food?

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?