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?

What is so fragile that saying its name breaks it?

A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Find the missing letter in the last circle logically in the given below picture.

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

You need to remove two matchsticks to make the below equation true. Can you do it ?

Which famous Hollywood movie name is hidden in the below rebus?