How many Grand Slam tournaments are played in a year in tennis?

4

The correct answer is Option (3) → 4

There are four Grand Slam tournaments played in a year in tennis. These tournaments are:

1. Australian Open: Usually held in January in Melbourne, Australia.
2. French Open (Roland Garros): Usually held in May and June in Paris, France.
3. Wimbledon: Usually held in June and July in London, United Kingdom.
4. US Open: Usually held in August and September in New York City, United States.

These four tournaments are considered the most prestigious events in professional tennis, and winning any of them is a significant achievement for players.