A bird weighs 2 kg and is inside a closed cage of 1 kg. If it starts f – McqOptions

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1.	A bird weighs 2 kg and is inside a closed cage of 1 kg. If it starts flying, then what is the weight of the bird and cage assembly [AFMC 1997]
A.	1.5 kg
B.	2.5 kg
C.	3 kg
D.	4 kg
Answer» D. 4 kg

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