A) 3 kg
B) 4 kg
C) 5 kg
D) 9 kg
Correct Answer: B
Solution :
3 kg+7 kg = 10 kg |
4 kg + 2 kg = 6 kg |
\[\therefore \] 10 kg - 6 kg = 4 kg |
Therefore, the answer is option (b) 4 kg. |
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