How to close Background Apps on iOS7 ?

To get a better battery life as well as better performance for iPhone, its always advisable to close the Background running Apps on iPhone. 

Up to iOS6 , when you double click on home button it will give you little "x" option on each application to close the Apps, Its little different on iOS7. 

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1. Double click Home button on iOS7 installed iPhone and you will see Back ground Running Apps like below.
   
   
   
   
   
2. Select the application you wanted to close and swipe Upwards, like below.
   
   
   
   
   
3. Also, we can close Three Applications at same time, Just place your 3 fingers on 3 Applications and swipe upwards at same time.