What's the best place to go shopping in the ocean?

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total.

How much time will he take to have all the five tablets?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

You are stuck on an island where you have nothing. You find four pieces of paper somewhere on the island. What will be your strategy to escape from the island safely?

PS: No other resource is available to you on the island, neither can you build anything.

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

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 ?

Where do you go to learn how to make ice cream?