These are perfect squares: 1²=1, 2²=4, 3²=9, 4²=16, 5²=25, 6²=36, 7²=49, 8²=64.

Ravi's mother's father = Ravi's grandfather. His son = Ravi's uncle. His daughter = Ravi's cousin.

The pattern reverses the word. TRAIN reversed = NIART. PLANT reversed = TNALP.

Each term is multiplied by 2: 5×2=10, 10×2=20, 20×2=40, 40×2=80, 80×2=160.

Arranging systematically: A is third from left. E is immediate left of F. D is between B and C. The arrangement is B-D-C-A-E-F. F sits at extreme right.

Each letter is shifted by +1 position. G→H, A→B, R→S, D→E, E→F, N→O. GARDEN→HBSFEO.

Southwest = 225°. Turning 135° clockwise: 225° + 135° = 360° = 0° (North). Wait, recalculating: SW is 225°, + 135° = 360°, which is North. But 225° - 135° = 90° (East). Actually clockwise from SW: SE. Answer is Southeast.

Math at position 3. English at 3+2=5. History is between English (5) and rightmost (7), so History at 6.

Mother's only brother = Uncle. Uncle's son = Cousin. The person in photograph is Meera's cousin.

Pattern: 1×2=2, 2×3=6, 3×4=12, 4×5=20, 5×6=30, 6×7=42, 7×8=56.