OK after a lot of experimentation here is the solution.Try this code out.
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="horizontal"
>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="fill_parent"
android:orientation="horizontal">
<ImageView
android:id="@+id/ivmainlogo"
android:layout_width="120dp"
android:layout_height="80dp"
android:src="@drawable/alfadesign1"
/>
</LinearLayout>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="horizontal"
android:gravity="right">
<ImageView
android:id="@+id/ivmainmenu"
android:layout_width="30dp"
android:layout_height="30dp"
android:src="@drawable/menu1"
/>
</LinearLayout>
</LinearLayout>