Can you count the number of quadrilaterals in the picture below?

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?

If we tie a Sheep to one peg, a circled grass is been eaten by the Sheep. If we tie the Sheep to two pegs with a circle on its neck, then an eclipse is eaten out of the grass by the Sheep. If we want an eclipse then we put two pegs and then put a rope in between them and the other end of the rope is tied up on the Sheep's neck.

How should we tie the peg and the Sheep so that a square is eaten out from the garden grass? We only have one Sheep rope and the peg and the rings.

The more you take me, the more you leave me behind.
Who Am I?

There are forty elephants and they have forty-fore heads. How can this be possible?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

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

Can it be possible to build a house that has all its four walls facing towards the South?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

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