GATE_AE_2027_MOCK_04_Q03 GATE 2027 Aerospace Engineering All-India Master Mock 04 (Aerospace Structures, Thin-Walled Beams & Aeroelasticity) NAT · 1 Mark
General Aptitude • Quantitative Aptitude • Arithmetic & Numerical Estimation

An aircraft flies 1200 km against a headwind in 3 hours. Returning along the same route with the same wind as a tailwind, it takes 2 hours. What is the airspeed of the aircraft in still air in km/h?

Answer Key:
500

Step-by-Step Verified Solution

### Solution: Speed against wind = 1200 / 3 = 400 km/h = V - W. Speed with wind = 1200 / 2 = 600 km/h = V + W. Adding both: 2V = 1000 ==> V = 500 km/h. Correct: 500.
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