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?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age.

Can you find their ages?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

What is the difference between a jeweller and a jailer?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?