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

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable

In the image below, can you find the value of an angle(y)

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?