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

Which fur should we be getting from the Lion?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

A river should be crossed by a father, a mother and their two sons and two daughters.
There are some rules that should be followed while crossing the river. There can be only two people in the raft while crossing. The daughters cannot be with their father unless there is the presence of the mother. The sons cannot be with their mothers unless the father is present. Unless the guard is on the board, the criminals cannot be with any of the family members. Only the adults like the father, the guard, and the mother knows to use the raft.

How will they cross the river?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

It belongs to you, but other people use it more than you do. What is it?

What is the coolest letter in the alphabet?

In a guessing game, five friends had to guess the exact numbers of apples in a covered basket.
Friends guessed 22, 24, 29, 33, and 38, but none of the guesses was correct. The guesses were off by 1, 8, 6, 3, and 8 (in random order).

Can you determine the number of apples in a basket from this information?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

A Man gave one of his sons 10 cents and another son was given 15 cents. What time is it?
Hint: Figure out the relation between time and number, is not so easy..:)