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?

What is the next number in the series?

15 29 56 108 208 ?

A train full of passengers goes through a tunnel. When the train comes out from the other end, there is no single person on the train.

How did it happen?

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

What demands an answer, but asks no questions

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

What happened when the wheel was invented?