I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

You have to fill the below given grid in a manner that every row and column contains the digits 1 to 6. Also, make sure that the squares that are connected with each other must contains the same digit.

Solve the equation in the image by looking at the pattern closely.

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

Count the number of triangles in the below picture?

Two old friends, Jack and Jill, meet after a long time, and discussing as:

Jack: Hey, how are you, man?

Bill: Not bad, got married and I have three kids now.

Jack: That's awesome. How old are they?

Bill: The product of their ages is 72 and the sum of their ages is the same as your birth date.

Jack: Cool..But I still don't know.

Bill: My eldest kid just started taking piano lessons.

Jack: Oh, now I get it.

How old are Bill's kids?

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

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

Can you name some countries which do not have the alphabet 'A' in them?

Look at the picture and find out which square is not linked with any of the other squares.