I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

Can you make four (4) nines (9) equal 100?

Who can jump higher than a Mountain?

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?

When it's bad luck to meet a black cat?

If six children and two dogs were under an umbrella, how come none of them got wet?

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

Three playing cards in a row. Can you name them with these clues? There is a two to the right of a king. A diamond will be found to the left of a spade. An ace is to the left of a heart. A heart is to the left of a spade. Now, identify all three cards.

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

Why is the Hole below a Lock?