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?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

What is the below Rebus indicate?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

There is a number which when you multiply by 3 and subtract 2 from the result, then the resulting number is the reverse of the actual number.

What is the smallest number that stands true on the statement?

Find the smallest sentence with all the English alphabet.

What is the word or phrase below?
R | E | A | D

Can you move 2 matchsticks to form four equal sized squares.

Find the number of squares in the below picture

John buys rice at Rs.60/kg from Britain and then sells them at Rs.5/kg in India. As a result of this, he becomes a millionaire. How come?