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In circle: A-B (right of A)-E-D-C (opposite to A). From C going left: C-D-E-B-A. So A sits to the immediate left of C when going counterclockwise

If ALL engineers are intelligent (Statement I), then NO engineer can be non-intelligent. The conclusion contradicts Statement I.

Arrangement from left: T-P-S-Q-R-U. T is at left end, P-S-Q-R is the order given, U must be to the right of R

Pattern: 2¹+1=3, 2³-1=7, 2⁴-1=15, 2⁵-1=31, 2⁶-1=63, 2⁷-1=127. Each is 2ⁿ-1 where n starts at 2

Letters coded by position in alphabet. Z=26, E=5, B=2, R=18, A=1. Answer is 26-5-2-18-1

Priya = 20. Shyam = 20-3 = 17. Ram = 17+4 = 21 years

If all doctors are professionals, then some professionals must be non-doctors (engineers, architects, etc.). Both statements are logically consistent.

Pattern: 1×2=2, 2×3=6, 3×4=12, 4×5=20, 5×6=30, 6×7=42. Each term is n(n+1) where n increases by 1

Apple is a type of fruit. Carrot is a type of vegetable. The relationship is part-to-whole category classification.

Final position: East 3 km, South 3 km. Distance = √(3² + 3²) = √18 km. Using displacement: √(3² + 3²) = √18 ≈ but recalculating: Net East = 5-2 = 3, Net South = 3. √(9+25) = √34 km