How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?

Why do we preferably have round manhole covers and not square ones?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?

I am a mother. However, I never give birth.

I am a father. However, I never nurse my children.

Wandering is not possible for me, but standing still happens occurs rarely.

Who am I?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

A farmer and his neighbour once went to Emperor Akbar"s court with a complaint. "Your Majesty, I bought a well from him," said the farmer pointing to his neighbour, "and now he wants me to pay for the water."
"That"s right, your Majesty," said the neighbour. "I sold him the well but not the water!"?
The Emperor asked Birbal to settle the dispute. How did Birbal solve the dispute?

Rearrange the letters in "new door" to make one word.

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain