RRB NTPC · प्रश्न 16
दी गई आकृति में कितने आयत हैं?
उत्तर देखें और व्याख्या
उत्तर: (B) 36
व्याख्या
The figure is a 3 × 3 grid with 4 horizontal and 4 vertical lines. A rectangle needs 2 of each: C(4, 2) × C(4, 2) = 6 × 6 = 36.
Railways PYQCBT 1 2020
RRB NTPC · प्रश्न 16
उत्तर: (B) 36
The figure is a 3 × 3 grid with 4 horizontal and 4 vertical lines. A rectangle needs 2 of each: C(4, 2) × C(4, 2) = 6 × 6 = 36.