In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

Count The number of F's in the paragraph below:

"FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS"

What does the below image rebus riddle means ?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

Solve the puzzle by telling what does below picture means.

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?

(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)

It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

Which five letter word can be added at the end of below word to form a
valid word?

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I am sure no one can have two things for dinner. what are they?