title: java.util.zip.ZipException: duplicate entry: com/google/android/gms/internal/zzbq.class
body: <p>I am new in Android. i am currently working in android app and when i try to run the app this error occurs.</p>
  
  <p>I  have researched but cant solve this error. </p>
  
  <p><a href="http://i.stack.imgur.com/Fex60.png" rel="noreferrer">error</a></p>
  
  <p>build.gradle</p>
  
  <pre><code>apply plugin: 'com.android.application'
  
  android {
  compileSdkVersion 23
  buildToolsVersion "23.0.2"
  
  defaultConfig {
      multiDexEnabled true
      applicationId "com.tutorialsbuzz.androidfacebook"
      minSdkVersion 15
      targetSdkVersion 23
      versionCode 1
      versionName "1.0"
  }
  buildTypes {
      release {
          minifyEnabled false
          proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
      }
  }
  }
  
  repositories {
  mavenCentral()
  }
  dependencies {
  compile 'com.android.support:multidex:1.0.0'
  compile fileTree(dir: 'libs', include: ['*.jar'])
  testCompile 'junit:junit:4.12'
  compile 'com.android.support:support-v4:23.0.1'
  compile 'com.android.support:design:23.0.1'
  compile 'com.facebook.android:facebook-android-sdk:4.7.0'
  compile 'com.squareup.picasso:picasso:2.4.0'
  compile 'com.google.android.gms:play-services-auth:9.2.1'
  compile 'com.google.android.gms:play-services:7.5.0'
  }
  </code></pre>
  
  <p>thankyou in advance</p>