#include<bits/stdc++.h>
using namespace std;
int main(){
    int t,n,a,b,c;
    for(cin>>t;t;t--){
        cin>>n>>a>>b>>c;
        if(n==1)cout<<(a==b&&b==c?"yes":"no")<<'\n';
        else cout<<(a>=b&&(a*(n-1)+b>=c*n&&a+b*(n-1)<=c*n)?"yes":"no")<<'\n';
    }
    return 0;
}