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

What does this rebus mean?

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Why is a river so rich ?

Can you count the number of triangles in the given picture?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

John is pretty weird. He likes toffees but hates chocolates. He loves books but never reads. He likes to build his troops in an online game but does not proceed with the war. He likes to go swimming but is afraid of water.

Seeking this behaviour, can you tell whether he likes balloons and parties?

John leaves home and then he takes three right turns. John wants to return to home but he was scared of Jacob, who is wearing a mask.

What is John Situation ?

What building has the most stories?

While handling a project, the landscaper is asked by the owner of the mansion that he wants four trees in front of his mansion that are exactly equidistant from each other.

How will he do it?