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

Can you decipher the below rebus?

PBLUESAISNUERSES

Can you find out which triangle will have a bigger area among the following?
1. A triangle with sides 300, 400 and 500
2. A triangle with sides 300, 400 and 700

How can a man go eight days without sleep?

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

Can you find a rabbit in the given picture?

Which is heavier: a ton of bricks or a ton of feathers?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?