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

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

what does the below rebus means?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

Why Aeroplane windows are round?

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

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

In the picture that is attached with this question, you can find a square which comprises of four little squares inside it. Consider this square to be made with matchsticks. You have to remove two matchsticks such that only two squares remain instead of five.How will you do it ?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

Peter wakes up daily to pick up his cycle and crosses the border between Spain and France daily with a bag on his shoulder. He is investigated daily by the officials but they don't find anything suspicious.

If we tell you that he is smuggling something what would it be?