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?

Can you count the number of squares in the given picture?

John Went to the nearby store in a Mall to buy something for her home. Below is the conversation between the two:

John: How much for the one?
Shopkeeper: It is $2
John: How much for the Eleven?
Shopkeeper: It is $4
John: How much for the Hundred?
Shopkeeper: It is $6.

What is John buying?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

The cream is heavier than Milk. True or False?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

How can you tell a raw egg from a hard-boiled egg?

There is an exact a week gap between Christmas and New Year. Hence, It is obvious that the new year that comes right after Christmas comes on the same day of the week.

A Strange thing happened in the Year 1777. Christmas occurs on Wednesday and New Year on Monday. How is that possible?

A sundial has the fewest moving parts of any timepiece. Which has the most?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?