What word begins and ends with an E, but has only one letter?

Why is it very easy to weigh a fish?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

What can you see in the middle of March and April that you can never see in any other month?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?

With the help clues provided in the image, can you find the 5 digit key?

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

A new clothing store has a unique method of pricing items. A vest costs $20, a tie costs $15, a blouse costs $30, and underwear costs $45. How much would pants cost?