onuproy

<?php

    	/*
	 * Loop post type: V1
	 */
	$posts = array(
		 array( 'post_type' => 'post1', 'post_per_page' => -1 ),
		 array( 'post_type' => 'post2', 'post_per_page' => -1 ),
		 array( 'post_type' => 'post3', 'post_per_page' => -1 )
	);

onuproy

<div class="testimonial">
<?php
$q = new WP_Query(
array('post_type' => array('testimonials'),
'post_status' => array('publish'),
'orderby' => 'date',
'order' => 'ASC',
'posts_per_page' => $sitem,
'service-category' => $category)
);

onuproy

<?php 
	$custom_query_args = array (
		'post_type'              => 'news',
		'posts_per_page'         => '4'
	);

	$custom_query_args['paged'] = get_query_var( 'paged' ) ? get_query_var( 'paged' ) : 1;


	$custom_query = new WP_Query( $custom_query_args );