A bomb exploded in a room full of married couples and no one died. How?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

Count the number of lines in the image below ?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

What goes up but never comes down?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

Why is the longest human nose just 11 inches?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

What 5-letter word typed in all capital letters can be read the same upside down?