Displaying array of questions in TextMeshPro

Unity Engine
, , ,
1 
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using TMPro;

public class EnemyMoveScript : MonoBehaviour
{
    public float speed = 2;
    public TextMeshPro MathText;
    private GameManager gm;
    void Start()
    {
        gm = FindObjectOfType<GameManager>();
        MathText = GetComponentInChildren<TextMeshPro>();
        MathText.text = gm.CurrentQ();
    }
    void Update()
    {
        transform.position += Vector3.left * speed * Time.deltaTime;
    }

using System.Collections;
using System.Collections.Generic;
using Unity.VisualScripting;
using UnityEngine;

public class GameManager : MonoBehaviour
{
    public static List<(string question, string answer)> availQuest;
    private string crntQ;
    private string crntA;
    public void InitializeQuestions()
    {
        availQuest = new List<(string, string)> {
            ("3 - 2", "1"), // Answer is 1
            ("2 x 4", "8"), // Answer is 8
            ("50 - 30", "20"), // Answer is 9.5
            ("0 x 0", "0"), // Answer is -16
            ("5 + 5 - 3", "7"), // Answer is 7
            ("10 x 5", "50"), // Answer is 72
            ("6(2) - 2", "10"), // Answer is 27
            ("5 + 5", "10"), // Answer is 10
            ("10 / 2", "5"), // Answer is 9
            ("2 + 2", "4") // Answer is 4
        };
    }
    public void Randomize()
    {
        if (availQuest.Count > 0)
        {
            int rnd = Random.Range(0, availQuest.Count);
            crntQ = availQuest[rnd].question; 
            crntA = availQuest[rnd].answer;
            availQuest.RemoveAt(rnd);
        }
    }
    public string CurrentQ()
    {
        return crntQ;
    }
    public string CurrentA()
    {
        return crntA;
    }

I’m trying to display the questions in textmeshpro but its not displaying anything and returning null. I’m a complete beginner at this so I can’t see the error here