Using Only Five 5's and any mathematical operator make sum as 37

Below rebus represent famous DiCaprio movie. Can you name it?

You can hear me, but you can't touch or see me.

What am I?

Look at the picture and find out which square is not linked with any of the other squares.

People make me, save me, change me, raise me. What am I?

Two fathers and two sons decided to go to a shop and buy some sweets upon reaching. Each of them bought 1 kg of sweet. All of them returned home after some time and found out that they had 3kg of sweets with them.

They did not eat the sweets in the way, nor threw or lose anything. Then, how can this be possible?

Can you identify the famous TV character from the rebus below?

A mother bought three dress for her triplets daughters(one for each) and put the dresses in the dark. One by one the girls come and pick a dress.
What is the probability that no girl will choose her own dress?

How many Watermelons are there in the below picture?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?