diff --git a/css/common.css b/css/common.css
index 22b6680c7..0cbe075d3 100644
--- a/css/common.css
+++ b/css/common.css
@@ -294,12 +294,19 @@ footer.qsm-popup__footer button.qsm-popup-secondary-button:hover {
 	color: red;
 	display: block;
 }
-
+.quiz_section .mlw-file-upload-error-msg.mlw-file-upload-success-msg {
+	color: green;
+	display: block;
+}
 .quiz_section .remove-uploaded-file {
 	color: red;
-	border: 1px solid red;
-	width: 31px;
-	padding: 5px 5px 0px 5px;
+	display: inline-block;
+	cursor: pointer;
+	margin-top: 5px;
+}
+.quiz_section .loading-uploaded-file {
+	width: 20px;
+	margin-bottom: -5px;
 }
 
 /**
diff --git a/js/qsm-admin.js b/js/qsm-admin.js
index 8a46d48e8..57dc5209c 100644
--- a/js/qsm-admin.js
+++ b/js/qsm-admin.js
@@ -2246,7 +2246,8 @@ var import_button;
 						question_id: answer['question_id'],
 						answerType: answer['answerType'],
 						form_type: qsmQuestionSettings.form_type,
-						quiz_system: qsmQuestionSettings.quiz_system
+						quiz_system: qsmQuestionSettings.quiz_system,
+                        question_type: questionType,
 					};
                     if (answer['answerType'] == 'image') {
 						ansTemp = {
@@ -2258,7 +2259,8 @@ var import_button;
 							question_id: answer['question_id'],
 							answerType: answer['answerType'],
                             form_type: qsmQuestionSettings.form_type,
-                            quiz_system: qsmQuestionSettings.quiz_system
+                            quiz_system: qsmQuestionSettings.quiz_system,
+                            question_type: questionType
                         };
                     }
 					jQuery(document).trigger('qsm_new_answer_template', [ansTemp, answer, questionType]);
diff --git a/js/qsm-quiz.js b/js/qsm-quiz.js
index 2781a93c7..c916ee201 100644
--- a/js/qsm-quiz.js
+++ b/js/qsm-quiz.js
@@ -1693,6 +1693,7 @@ jQuery(function () {
 					$this.parent('.quiz_section').find('.mlw_file_upload_hidden_path').val(obj.file_path);
 					$this.parent('.quiz_section').find('.mlw_file_upload_media_id').val(obj.media_id);
 					$this.parent('.quiz_section').find('.mlw-file-upload-error-msg').hide();
+					$this.parent('.quiz_section').find('.mlw-file-upload-error-msg').addClass('mlw-file-upload-success-msg').text(obj.message);
 					$this.parent('.quiz_section').find('.mlw-file-upload-error-msg').show();
 				} else {
 					$this.parent('.quiz_section').find('.mlw-file-upload-error-msg').removeClass('mlw-file-upload-success-msg');
diff --git a/mlw_quizmaster2.php b/mlw_quizmaster2.php
index f60ae2dd3..8b8dfae21 100644
--- a/mlw_quizmaster2.php
+++ b/mlw_quizmaster2.php
@@ -2,7 +2,7 @@
 /**
  * Plugin Name: Quiz And Survey Master
  * Description: Easily and quickly add quizzes and surveys to your website.
- * Version: 8.1.15
+ * Version: 8.1.16
  * Author: ExpressTech
  * Author URI: https://quizandsurveymaster.com/
  * Plugin URI: https://expresstech.io/
@@ -43,7 +43,7 @@ class MLWQuizMasterNext {
 	 * @var string
 	 * @since 4.0.0
 	 */
-	public $version = '8.1.15';
+	public $version = '8.1.16';
 
 	/**
 	 * QSM Alert Manager Object
diff --git a/php/admin/options-page-questions-tab.php b/php/admin/options-page-questions-tab.php
index d25500c19..b46e4c3ae 100644
--- a/php/admin/options-page-questions-tab.php
+++ b/php/admin/options-page-questions-tab.php
@@ -124,14 +124,6 @@ function qsm_options_questions_tab_content() {
 		</div>
 		<?php
 	}
-	$randomness = $mlwQuizMasterNext->pluginHelper->get_section_setting( 'quiz_options', 'randomness_order' );
-	if ( 0 != $randomness ) {
-		?>
-		<div class="notice notice-warning">
-			<p><?php esc_html_e( 'This quiz has the "Are the questions random?" option enabled. The pages below will not be used while that option is enabled. To turn off, go to the "Options" tab and set that option to "No".', 'quiz-master-next' ); ?></p>
-		</div>
-		<?php
-	}
 
 	$question_ids = $mlwQuizMasterNext->pluginHelper->get_questions_ids( $quiz_id );
 	if ( ! empty( $question_ids ) ) {
diff --git a/php/classes/class-qmn-quiz-manager.php b/php/classes/class-qmn-quiz-manager.php
index 0a5aa6c11..f234e3edd 100644
--- a/php/classes/class-qmn-quiz-manager.php
+++ b/php/classes/class-qmn-quiz-manager.php
@@ -180,9 +180,33 @@ public function qsm_upload_image_fd_question() {
 				echo wp_json_encode( $json );
 			}
 		} else {
-			$json['type']    = 'error';
-			$json['message'] = __( 'Incorrect File Type uploaded. Please upload the allowed file type!', 'quiz-master-next' );
-			echo wp_json_encode( $json );
+			if ( ! empty ($file_upload_type) ) {
+				$filestype = explode(',', $file_upload_type);
+				foreach ( $filestype as $file ) {
+					if ( strpos($file, '/') !== false ) {
+						$filetypes = explode('/', $file);
+						if ( ! empty($filetypes[0]) && 'application' == $filetypes[0] ) {
+							$filetypes_allowed[] = 'pdf';
+						} else {
+						$filetypes_allowed[] = $filetypes[0];
+						}
+					}else { 
+						$filetypes_allowed[] = $file;
+					}
+				}
+				if ( count($filetypes_allowed) > 1 ) {
+					$files_allowed = implode(',', $filetypes_allowed);
+				} else {
+					$files_allowed = $filetypes_allowed[0]; // Just take the single element
+				}
+				$json['type']    = 'error';
+				$json['message'] = __('File Upload Unsuccessful! (Please upload ', 'quiz-master-next') . $files_allowed . __(' file type)', 'quiz-master-next');
+				echo wp_json_encode( $json );
+			} else {
+				$json['type']    = 'error';
+				$json['message'] = __( 'File Upload Unsuccessful! (Please select file type)', 'quiz-master-next' );
+				echo wp_json_encode( $json );
+			}
 		}
 		exit;
 	}
@@ -914,7 +938,7 @@ public function display_quiz( $options, $quiz_data, $question_amount, $shortcode
 				// If deprecated pagination setting is not used, use new system...
 				$pages = $mlwQuizMasterNext->pluginHelper->get_quiz_setting( 'pages', array() );
 
-				if ( 0 == $options->randomness_order && 0 == $options->question_from_total && 0 == $options->pagination && is_countable($pages) && 0 !== count( $pages ) ) {
+				if ( 0 == $options->question_from_total && 0 == $options->pagination && is_countable($pages) && 0 !== count( $pages ) ) {
 					$this->display_pages( $options, $quiz_data );
 				} else {
 					// ... else, use older system.
@@ -971,6 +995,23 @@ public function display_pages( $options, $quiz_data ) {
 		$contact_fields         = QSM_Contact_Manager::load_fields();
 		$animation_effect       = isset( $options->quiz_animation ) && '' !== $options->quiz_animation ? ' animated ' . $options->quiz_animation : '';
 		$enable_pagination_quiz = isset( $options->enable_pagination_quiz ) && 1 == $options->enable_pagination_quiz ? true : false;
+		if ( ( 1 == $options->randomness_order || 2 == $options->randomness_order ) && is_array( $pages ) ) {
+			$pages = QMNPluginHelper::qsm_shuffle_assoc( $pages );
+			$question_list_array = array();
+			foreach ( $pages as &$question_ids ) {
+				shuffle( $question_ids );
+				$question_list_array = array_merge($question_list_array, $question_ids);
+			}
+			$question_list_str = implode( ',', $question_list_array );
+			?>
+			<script>
+				const d = new Date();
+				d.setTime(d.getTime() + (365*24*60*60*1000));
+				let expires = "expires="+ d.toUTCString();
+				document.cookie = "question_ids_<?php echo esc_attr( $options->quiz_id ); ?> = <?php echo esc_attr( $question_list_str ) ?>; "+expires+"; path=/";
+			</script>
+			<?php
+		}
 		if ( 1 < count( $pages ) && 1 !== intval( $options->disable_first_page ) && ( ! empty( $options->message_before ) || ( 0 == $options->contact_info_location && $contact_fields ) ) ) {
 			$qmn_json_data['first_page'] = true;
 			$message_before              = $mlwQuizMasterNext->pluginHelper->qsm_language_support( htmlspecialchars_decode( $options->message_before, ENT_QUOTES ), "quiz_message_before-{$options->quiz_id}" );
@@ -1268,19 +1309,13 @@ public function display_questions( $qmn_quiz_options, $qmn_quiz_questions, $qmn_
 		$current_page_number = 1;
 		foreach ( $qmn_quiz_questions as $mlw_question ) {
 			if ( 0 != $pagination_option ) {
-				if ( 1 == $pagination_option ) {
+				if ( 1 == $pagination_option || 1 == $pages_count % $pagination_option || 1 == $pages_count ) {
 					?>
-					<div class="qsm-auto-page-row qsm-apc-<?php echo esc_attr( $current_page_number ); ?>" style="display: none;">
+					<div class="qsm-auto-page-row qsm-apc-<?php echo esc_attr( $current_page_number ); ?>" data-apid="<?php echo esc_attr($current_page_number); ?>" style="display: none;">
 					<?php
 					$current_page_number++;
-				} else {
-					if ( 1 == $pages_count % $pagination_option || 1 == $pages_count ) { // beginning of the row or first.
-						?>
-						<div class="qsm-auto-page-row qsm-apc-<?php echo esc_attr( $current_page_number ); ?>" style="display: none;">
-						<?php
-						$current_page_number++;
-					}
-				}
+					echo apply_filters( 'qsm_auto_page_begin_pagination', '', ( $current_page_number - 1 ), $qmn_quiz_options, $qmn_quiz_questions );
+				} 
 				echo apply_filters( 'qsm_auto_page_begin_row', '', ( $current_page_number - 1 ), $qmn_quiz_options, $qmn_quiz_questions );
 			}
 			$category_class      = '';
@@ -1438,6 +1473,19 @@ public function display_end_section( $qmn_quiz_options, $qmn_array_for_variables
 	 * @return string The content for the results page section
 	 */
 	public function display_results( $options, $data ) {
+		$quiz_id = ! empty( $_REQUEST['qmn_quiz_id'] ) ? sanitize_text_field( wp_unslash( $_REQUEST['qmn_quiz_id'] ) ) : 0 ;
+		if ( ! isset( $_REQUEST['qsm_nonce'] ) || ! wp_verify_nonce( sanitize_text_field( wp_unslash( $_REQUEST['qsm_nonce'] ) ), 'qsm_submit_quiz_' . intval( $quiz_id ) ) ) {
+			echo wp_json_encode(
+				array(
+					'display'       => htmlspecialchars_decode( 'Nonce Validation failed!' ),
+					'redirect'      => false,
+					'result_status' => array(
+						'save_response' => false,
+					),
+				)
+			);
+			exit;
+		}
 		$result        = $this->submit_results( $options, $data );
 		$results_array = $result;
 		return $results_array['display'];
@@ -1861,7 +1909,6 @@ public function submit_results( $qmn_quiz_options, $qmn_array_for_variables ) {
 	 * @return array The results of the user's score
 	 */
 	public static function check_answers( $options, $quiz_data ) {
-
 		global $mlwQuizMasterNext;
 		$new_questions = array();
 		// Load the pages and questions
@@ -2100,7 +2147,13 @@ public static function check_answers( $options, $quiz_data ) {
 				}
 			}
 		}
+		foreach ( $question_data as $questiontype ) { 
+			if ( 11 == $questiontype['question_type'] ) {
+				$total_questions = $total_questions - 1;
+			}
+		}
 
+		
 		// Calculate Total Percent Score And Average Points Only If Total Questions Doesn't Equal Zero To Avoid Division By Zero Error
 		if ( 0 !== $total_questions ) {
 			$total_score = round( ( ( $total_correct / ( $total_questions - count( $hidden_questions ) ) ) * 100 ), 2 );
diff --git a/php/question-types/qsm-question-type-file-upload.php b/php/question-types/qsm-question-type-file-upload.php
index 3c7fc98ba..74a2da6c8 100644
--- a/php/question-types/qsm-question-type-file-upload.php
+++ b/php/question-types/qsm-question-type-file-upload.php
@@ -22,8 +22,8 @@ function qmn_file_upload_display( $id, $question, $answers ) {
 	$new_question_title = $mlwQuizMasterNext->pluginHelper->get_question_setting( $id, 'question_title' );
 	qsm_question_title_func( $question, '', $new_question_title, $id );
 	?> <div></div><input type="file" class="mlw_answer_file_upload <?php echo esc_attr( $mlw_require_class ); ?>"/>
-		<div style="display: none;" class="loading-uploaded-file"><img alt="<?php echo esc_attr( $new_question_title ); ?>" src="<?php echo esc_url( get_site_url() . '/wp-includes/images/spinner-2x.gif' ); ?>"></div>
-		<div style="display: none;" class="remove-uploaded-file"><span class="dashicons dashicons-trash"></span></div>
+		<img style="display: none;" class="loading-uploaded-file" alt="<?php echo esc_attr( $new_question_title ); ?>" src="<?php echo esc_url( get_site_url() . '/wp-includes/images/spinner-2x.gif' ); ?>">
+		<span  style="display: none;"  class="dashicons dashicons-trash remove-uploaded-file"></span>
 		<span style="display: none;" class='mlw-file-upload-error-msg'></span>
 		<input class="mlw_file_upload_hidden_path" type="hidden" value="" />
 		<input class="mlw_file_upload_hidden_nonce" type="hidden" value="" />
@@ -52,7 +52,6 @@ function qmn_file_upload_review( $id, $question, $answers ) {
 	$return_array['user_text']       = ($file_url) ? '<a target="_blank" href="' . $file_url . '">' . __( 'Click here to view', 'quiz-master-next' ) . '</a>' : __( 'No file uploaded', 'quiz-master-next' );
 	$return_array['correct_text']    = ! empty( $correct_text_array ) ? implode( ', ', $correct_text_array ) : '';
 	$return_array['correct']         = $current_question->get_answer_status( 'url' );
-	$return_array['points']          = $current_question->get_points();
 	$return_array['user_answer']     = $user_text_array;
 	$return_array['correct_answer']  = $correct_text_array;
 	/**
diff --git a/php/question-types/qsm-question-type-multiple-choice-horizontal.php b/php/question-types/qsm-question-type-multiple-choice-horizontal.php
index 5b625aefd..af6f9769a 100644
--- a/php/question-types/qsm-question-type-multiple-choice-horizontal.php
+++ b/php/question-types/qsm-question-type-multiple-choice-horizontal.php
@@ -61,7 +61,7 @@ function qmn_horizontal_multiple_choice_display( $id, $question, $answers ) {
 									$size_style .= ' height:'.$image_height.'px !important;';
 								}
 								?>
-								<img alt="<?php echo esc_attr( $new_question_title ); ?>" src="<?php echo esc_url( trim( htmlspecialchars_decode( $answer[0], ENT_QUOTES ) ) ); ?>" style="<?php echo esc_attr( $size_style ); ?>" />
+								<img class="qsm-multiple-choice-horizontal-img" alt="<?php echo esc_attr( $new_question_title ); ?>" src="<?php echo esc_url( trim( htmlspecialchars_decode( $answer[0], ENT_QUOTES ) ) ); ?>" style="<?php echo esc_attr( $size_style ); ?>" />
 								<span class="qsm_image_caption">
 									<?php
 									$caption_text = trim( htmlspecialchars_decode( $answer[3], ENT_QUOTES ) );
diff --git a/php/question-types/qsm-question-type-multiple-choice.php b/php/question-types/qsm-question-type-multiple-choice.php
index b78e1b252..d7b4e7049 100644
--- a/php/question-types/qsm-question-type-multiple-choice.php
+++ b/php/question-types/qsm-question-type-multiple-choice.php
@@ -69,7 +69,7 @@ function qmn_multiple_choice_display( $id, $question, $answers ) {
 							$size_style .= ' height:'.$image_height.'px !important;';
 						}
 						?>
-						<img alt="<?php echo esc_attr( $new_question_title ); ?>" src="<?php echo esc_url( trim( htmlspecialchars_decode( $answer[0], ENT_QUOTES ) ) ); ?>"  style="<?php echo esc_attr( $size_style ); ?>" />
+						<img class="qsm-multiple-choice-img" alt="<?php echo esc_attr( $new_question_title ); ?>" src="<?php echo esc_url( trim( htmlspecialchars_decode( $answer[0], ENT_QUOTES ) ) ); ?>"  style="<?php echo esc_attr( $size_style ); ?>" />
 						<span class="qsm_image_caption">
 							<?php
 							$caption_text = trim( htmlspecialchars_decode($answer[3], ENT_QUOTES ) );
diff --git a/php/question-types/qsm-question-type-multiple-response-horizontal.php b/php/question-types/qsm-question-type-multiple-response-horizontal.php
index ccb883df6..0c93518ae 100644
--- a/php/question-types/qsm-question-type-multiple-response-horizontal.php
+++ b/php/question-types/qsm-question-type-multiple-response-horizontal.php
@@ -59,7 +59,7 @@ function qmn_horizontal_multiple_response_display( $id, $question, $answers ) {
 								$size_style .= ' height:'.$image_height.'px !important;';
 							}
 							?>
-							<img alt="<?php echo esc_attr( $new_question_title ); ?>" src="<?php echo esc_url( trim( htmlspecialchars_decode( $answer[0], ENT_QUOTES ) ) ); ?>"  style="<?php echo esc_attr( $size_style ); ?>"  />
+							<img class="qsm-multiple-response-horizontal-img" alt="<?php echo esc_attr( $new_question_title ); ?>" src="<?php echo esc_url( trim( htmlspecialchars_decode( $answer[0], ENT_QUOTES ) ) ); ?>"  style="<?php echo esc_attr( $size_style ); ?>"  />
 							<span class="qsm_image_caption">
 								<?php
 								$caption_text = trim( htmlspecialchars_decode( $answer[3], ENT_QUOTES ) );
diff --git a/php/question-types/qsm-question-type-multiple-response.php b/php/question-types/qsm-question-type-multiple-response.php
index a8a70199f..43a568d67 100644
--- a/php/question-types/qsm-question-type-multiple-response.php
+++ b/php/question-types/qsm-question-type-multiple-response.php
@@ -60,7 +60,7 @@ function qmn_multiple_response_display( $id, $question, $answers ) {
 									$size_style .= ' height:'.$image_height.'px !important;';
 								}
 								?>
-								<img alt="<?php echo esc_attr( $new_question_title ); ?>" src="<?php echo esc_url( trim( htmlspecialchars_decode( $answer[0], ENT_QUOTES ) ) ); ?>"  style="<?php echo esc_attr( $size_style ); ?>" />
+								<img class="qsm-multiple-response-img" alt="<?php echo esc_attr( $new_question_title ); ?>" src="<?php echo esc_url( trim( htmlspecialchars_decode( $answer[0], ENT_QUOTES ) ) ); ?>"  style="<?php echo esc_attr( $size_style ); ?>" />
 								<span class="qsm_image_caption">
 									<?php
 									$caption_text = trim( htmlspecialchars_decode( $answer[3], ENT_QUOTES ) );
diff --git a/php/question-types/qsm-question-type-polar.php b/php/question-types/qsm-question-type-polar.php
index caa676664..2d562ca16 100644
--- a/php/question-types/qsm-question-type-polar.php
+++ b/php/question-types/qsm-question-type-polar.php
@@ -55,7 +55,7 @@ function qmn_polar_display( $id, $question, $answers ) {
 			}
 			$left_image = $answers[0][0];
 			?>
-			<img alt="<?php echo esc_attr( $new_question_title ); ?>" src="<?php echo esc_url( trim( htmlspecialchars_decode( $left_image, ENT_QUOTES ) ) ); ?>"  style="<?php echo esc_attr( $size_style ); ?>"  />
+			<img class="qsm-polar-img" alt="<?php echo esc_attr( $new_question_title ); ?>" src="<?php echo esc_url( trim( htmlspecialchars_decode( $left_image, ENT_QUOTES ) ) ); ?>"  style="<?php echo esc_attr( $size_style ); ?>"  />
 			<span class="qsm_image_caption">
 				<?php
 				$caption_text = trim( htmlspecialchars_decode( $answers[0][3], ENT_QUOTES ) );
diff --git a/php/template-variables.php b/php/template-variables.php
index 429eb6981..5d9036002 100644
--- a/php/template-variables.php
+++ b/php/template-variables.php
@@ -187,7 +187,6 @@ function qsm_variable_total_attempted_questions( $content, $mlw_quiz_array ) {
 	$content                   = str_replace( '%AMOUNT_ATTEMPTED%', $total_attempted_questions, $content );
 	return $content;
 }
-
 /**
  * Show poll result
  *
diff --git a/readme.txt b/readme.txt
index 300208735..2fd3a995d 100644
--- a/readme.txt
+++ b/readme.txt
@@ -4,7 +4,7 @@ Tags: quiz, survey, lead, test, score, exam, questionnaire, question,wordpress q
 Requires at least: 4.9
 Tested up to: 6.3
 Requires PHP: 5.4
-Stable tag: 8.1.15
+Stable tag: 8.1.16
 License: GPLv2
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
 
@@ -163,6 +163,11 @@ This is usually a theme conflict. You can [checkout out our common conflict solu
 18. Database
 
 == Changelog ==
+= 8.1.16 (September 20, 2023) =
+* Feature: Added option to use random question and answer with manual pagination
+* Bug: Fix quiz score calculation issue with file upload question types
+* Enhancement: Improved nonce validation logic
+
 = 8.1.15 (September 11, 2023) =
 * Bug: Fixed issue causing numeric responses of 0 to display as "No Answer Provided" in emails
 * Bug: Fixed issue with next button while using manual pagination