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?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?

There is something which is always coming but never arrives?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?

Take number 1000 and then add 20 to it.
Now add 1000 one more time.
Now add 30.
Now add 1000 one more time.
Now add 40.
Now add 1000 one more time.
Now add 10.

What is the total?

Which Burger Is Different in below image?