Get X posts by custom type

functions.php

<?php

    //show just X posts for custome type
    function modify_num_posts_for_clients($query) {
        if ($query->is_main_query() && $query->is_post_type_archive('client') && !is_admin()) {
            $query->set('posts_per_page', -1);
        }
    }

    add_action('pre_get_posts', 'modify_num_posts_for_clients');
    

    function modify_num_posts_for_faq($query) {
        if ($query->is_main_query() && $query->is_post_type_archive('faq') && !is_admin()) {
            $query->set('posts_per_page', 20);
        }
    }

    add_action('pre_get_posts', 'modify_num_posts_for_faq');

    function modify_num_posts_for_company_opinion($query) {
        if ($query->is_main_query() && $query->is_post_type_archive('company_opinion') && !is_admin()) {
            $query->set('posts_per_page', 10);
        }
    }

    add_action('pre_get_posts', 'modify_num_posts_for_faq');