Queen Elizabeth organised a royal party.

To Avoid uninvited guest royal family set a password.
Jack (an uninvited person) plan to enter the party. He stand nearby the door.

First guest comes, the security person said 'twelve' and guest replied with six.
Second guest comes , the security person said 'six' and guest replied with 'three'.

Jack thought is enough and he walked to the entry point. The security person said 'eight' , Jack replied smilingly 'four'.
He was immediately thrown out of the party. why ?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

I am green and found in the forest and have needles instead of leaves. What am I?
Hint 1: It can be used for Christmas decorations.
Hint 2: I have a strong, scent that is used in air fresheners.

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

I taste better than I can smell. Who am I?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

Alpha is Beta's sister.

Gamma is a Beta mother.

Delta is Gamma's father.

Tango is Delta's mother.

Then,

How is Alpha related to Delta?

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?