How to Hide WP-Adv-Quiz Admin Menus

function plt_hide_advanced_quiz_menus() {
	//Hide "WP-Adv-Quiz".
	remove_menu_page('wpAdvQuiz');
	//Hide "WP-Adv-Quiz → WP-Adv-Quiz".
	remove_submenu_page('wpAdvQuiz', 'wpAdvQuiz');
	//Hide "WP-Adv-Quiz → Global settings".
	remove_submenu_page('wpAdvQuiz', 'wpAdvQuiz_glSettings');
	//Hide "WP-Adv-Quiz → Statistics".
	remove_submenu_page('wpAdvQuiz', 'wpAdvQuiz_global_statistics');
	//Hide "WP-Adv-Quiz → Support & More".
	remove_submenu_page('wpAdvQuiz', 'wpAdvQuiz_waq_support');
}

add_action('admin_menu', 'plt_hide_advanced_quiz_menus', 11);

Where do I put this code?