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?

Which five letter word can be added at the end of below word to form a
valid word?

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Which is Odd One Out and why?

4377

3954

9862

8454

9831

What word does this rebus represent?

meta meta
meta meta

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

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

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

Before Mount Everest was discovered, what was the highest mountain in the world?

What does this rebus riddle means ?