#include<stack>
#include<cstdio>
#include<stdio.h>
#include<iostream>
#include<math.h>
#include<set>
#include<sstream>
#include<cctype>
#include<string>
#include<cstring>
#include<map>
#include<algorithm>
#include<cstdlib>
#include<queue>
#include <stdio.h>
#include <string.h>
#include <memory.h>
#define M 10000
#define lenl 2013
using namespace std;
#define ll long long 
#define pf printf
#define sf scanf
#define eps 1e-6
#define PI acos(-1.0)
//#define MAXN 1000
//#define _sign(x)((x)>eps?1:((x)<-eps?2:0))
ll gcd(ll a, ll b){
    return b == 0 ? a : gcd(b, a%b);
}
ll lcm(ll a, ll b){
    return a*b / gcd(a, b);
}
//
int main()
{
    int n;
    scanf("%d", &n);
    while (n--){
        int a[999] = { 0 };
        int t;
        scanf("%d", &t);
        for (int i = 1; i <= t; i++){
            int temp;
            scanf("%d", &temp);
            a[temp]++;
        }
        int max = -1;
        int maxi = 0;
        for (int i = 1; i <= 100; i++){
            if (a[i] > max)max = a[i], maxi = i;
        }
        printf("%d\n", maxi);
    }
    return 0;
}