What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?

What number do you get when you multiply all of the numbers on a telephone's number pad?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Kareena is older than Bipasha. Bipasha is younger than Karishma and younger than Katrina. Katrina is older than Kareena and Alonso, who are older than Karishma.If Alonso and Kareena are twins, who's oldest?