Why Aeroplane windows are round?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

John is looking at Jenifer, but Jenifer is looking at Jacob. John is married, but Jacob is not.

Is a married person looking at an unmarried person ?

I know a nine-letter word having only one vowel.
Do you ?

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

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

The owner of a popular clothing store comes up with his own method of pricing items. A vest costs $8, socks cost $10, a tie costs $6, and a blouse costs $12. Using the owner’s method, how much would a pair of underwear cost?

Can you fill the blank with the correct number?

6 30 870 756030 _____

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?

I got a bee but no honey.
got an eye but am still blind.
got a sea but no water.
got a tea but no coffee.
got a why but no answer.

What Am I?