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?

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

What is it?

Replace the question mark with the correct number.

What has 88 keys?

Remove two matchsticks to make the below equation correct.

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

In the given picture, in how many ways can you read the word "Tiger"?

Can you solve the maths in the below-given picture equation?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

Can you count the number of triangles inside a triangle?