A man was driving a black truck. His lights were not on. The moon was not out. A lady was crossing the street. How did the man see her?

If an electric train is travelling south, then which way is the smoke going?

A river should be crossed by a father, a mother and their two sons and two daughters.
There are some rules that should be followed while crossing the river. There can be only two people in the raft while crossing. The daughters cannot be with their father unless there is the presence of the mother. The sons cannot be with their mothers unless the father is present. Unless the guard is on the board, the criminals cannot be with any of the family members. Only the adults like the father, the guard, and the mother knows to use the raft.

How will they cross the river?

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

What has 13 hearts but no other organs?

Find the next number in the series below

21 32 54 87 131 ?

How many letters are in the alphabet?

Can you make a six-letter word using the letters N, A and B ?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

Why Aeroplane windows are round?