What occurs twice in a week, once in a year but never in a day?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

I have 50 feet long of cloth, I need to create 50 handkerchiefs each size of 1 foot. I take one minute to cut a 1-foot handkerchief. So how long will it take to cut 50 handkerchiefs?

If six children and two dogs were under an umbrella, how come none of them got wet?

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?

Which wheel of car does not rotate when you turn your car right?

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

Can you find the six hidden animals in the picture below?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

If an electric train is travelling south, then which way is the smoke going?