If you would like to lose weight, then you have to do moderate cardio exercises for at least 150 minutes or 75 minutes in a week.
You can also combine these exercises with strength training exercises. These exercises boosts your metabolism rate at the same time burns your calories.
Another way to reduce your weight is you can perform circuit training and cardio exercises. This workout helps you to burn your fat and calories within a short period. You can choose some exercises and do it for about one minute.