=19kg, 
= 74 kg and 
= 9 kg, then the weight of 
and 
respectively is
A) 4 kg, 6 kg
B) 3 kg, 5 kg
C) 6 kg, 4 kg
D) 5 kg, 3 kg
Correct Answer: C
Solution :
We have,
? (i) 
... (ii) Also, 
[using (i)] 
?. (iii) By (ii) and (iii), we get 
By (i), we have 
By (ii), we have 
= 9 kg 
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