Can you make a six-letter word using the letters N, A and B ?

What does a man do only once in his lifetime, but women do once a year after they are 29?

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

In Greek mythology, the Sphinx sat outside of Thebes and asked this riddle of all travellers who passed by. If the traveller failed to solve the riddle, then the Sphinx killed him/her. And if the traveller answered the riddle correctly, then the Sphinx would destroy herself. The riddle:

What goes on four legs in the morning, on two legs at noon, and on three legs in the evening?

Oedipus solved the riddle, and the Sphinx destroyed herself.

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

Ten coins have been arranged as you can see in the given picture. In this arrangement, a triangle is formed pointing upwards. You have to invert the position of the triangle and make it point downwards while changing the position of 3 coins only. Can you do it?

Jigsaw captured 100 people and make them stand in a circle and all these people are labelled as Person1, Person2, Person3... Person100. He made them play a crazy game in which Person 1 shot Person 2 and pass the gun to the next person and so on until one stands alive.

Which person will survive in the end?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?