public int getRandomQuestion(){
		Random r = new Random();
		int x = 0;
		do{
			int i = r.nextInt(checklist.size());
			if(checklist.containsKey(i)){
				return i;
			}
			x++;
		}while(x <=5);
		
		for(int i:checklist.keySet()){
			return i;
		}
		return 0;
	}