IBPS PO 2011 · Question 6 of 237
All gliders are parachutes + No parachute is an airplane = A + E = E = No glider is an airplane + All airplanes are helicopters = E + A = O* = Some helicopters are not gliders. Hence I does not follow. No parachute is an airplane + All airplanes are helicopter = E + A = O* = Some helicopters are not parachutes. That leaves us with the possibility of II.
Source: IBPS Common Written Exam PO/MT September 2011 (exampapers247 PDF compilation) · reliable-secondary
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