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

The two towns are exactly 100 km apart. John leaves City A driving at 30 km/hr and Jacob leaves City B half an hour later driving at 60 km/hr. Who will be closer to City A when they meet?

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?

What occurs twice in a week, once in a year but never in a day?

Can you find the company name in the pictogram below?

The more you take me, the more you leave me behind.
Who Am I?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

Joseph buys three kinds of chocolates for 100 rupees. The first one is priced at 5 rupees, second one at 3 rupees and third one at 0.5 rupees.

If he bought 100 chocolates in total, how many pieces do you think he bought each chocolate?

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?