A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

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

Can you find out which number multiplied by itself will give the output as 12345678987654321?

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

Which Travels Faster? Solve below famous picture riddle:

Write the next letter in this sequence.
O, T, T, F, F, S, S, E, __
**Hint: It is a Number Series Puzzle

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

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?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

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