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

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

The owner of a popular clothing store comes up with his own method of pricing items. A vest costs $8, socks cost $10, a tie costs $6, and a blouse costs $12. Using the owner’s method, how much would a pair of underwear cost?

Its something that each of us devours,
Not just us but birds, beats, trees, and flowers,
Frets iron and nibbles steel,
Toil hard stones to meal,
Exterminates king, collapse town,
And blows the mountains down.

You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game.

Would you want to play first or second?

PS: The sum should be exactly 15.

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I