Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

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

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You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

Jigsaw captured 100 people and make them stand in a circle and all these people are labelled as Person1, Person2, Person3... Person100. He made them play a crazy game in which Person 1 shot Person 2 and pass the gun to the next person and so on until one stands alive.

Which person will survive in the end?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

Rearrange the letters in "new door" to make one word.

I have branches, but no fruit, trunk or leaves. What am I?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

Sachin bought a car with a strange 5 digit numbered plate.The water image of the number is 78633 more than my car number. All the digits of car number are distinct.

What is the original number on number plate?