John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

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?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

Where do fish keep their money?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Find the 8 in the below-given Image.

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

In a basket of apples,
when counted in twos, there was one extra
when counted in threes, there were two extra when counted in fours, there were three extra
when counted in fives, there were four extra
when counted in sixes, there was five extra.

However, if the apples were counted in sevens, no extra apple was left. Can you calculate the minimum number of apples that were present in the basket?

Which alphabet letter is a question?

Which flower has two lips?