#include using namespace std; void solve() { int n, mx, mn, avg; scanf("%d %d %d %d", &n, &mx, &mn, &avg); puts(mn <= avg && avg <= mx && (n - 1) * mn + mx <= avg * n && avg * n <= (n - 1) * mx + mn ? "yes" : "no"); } int main() { int t; scanf("%d", &t); while (t--) { solve(); } return 0; }