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

If Japan and Panama decided to merge into a single country, probably people will name it Japanama.

Can you think of two more such country's unions that could produce similar names like Japanama by overlapping their three letters?

What can you see in the middle of March and April that you can never see in any other month?

How many Watermelons are there in the below picture?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

Can you solve below mathematical equation?

2^1234 - 2^1233

A man is found dead with a knife in his back When the investigation is done. A chair lays beside him and the forensic team finds moisture around the body.

If he committed suicide, how did he do it?

In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

To attend world science seminar, A famous chemist from Mexico visit
London. In the lab, the scientist was killed and his six assistants were under suspicion of killing the chemist.
Name of six assistants: Austin, Wayne, Dege, Oscaru, Lingard, and Rojo.
He left a note "76-20-44 79-16-22-7"

A local detective Jack was called to solve the case,

After reading the note, Jack instantly asked the police to arrest the murderers.

Who are the murderers?