There was a strange boy who was born before his father. How can this be possible?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?

What is the word or phrase below?
R | E | A | D

Find the next number in the series.
1 10 24 43 67 ?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Replace the question mark in the picture below.

On the dull night when the blonde was dozing, she heard an odd clamour and she saw that there was a bizarre man with a gun simply outside her home. So she raced to the telephone to call the police, however, she can't dial 911. Why?

In a basket of apples,
when counted in twos, there was one extra
when counted in threes, there were two extra when counted in fours, there were three extra
when counted in fives, there were four extra
when counted in sixes, there was five extra.

However, if the apples were counted in sevens, no extra apple was left. Can you calculate the minimum number of apples that were present in the basket?