A) 12kg
B) 14kg
C) 8kg
D) 10kg
Correct Answer: A
Solution :
Each stands for 3 kg. Then 6 Os = 4 = 4 \[\times \] 3 kg = 12 kg \[\therefore \] Each 0 stands for 12 \[\div \] 6 = 2 kg The mass of box Q = 2 \[\times \] + 3 \[\times \] 0 = 2 \[\times \] 3 + 3 \[\times \] 2 = 6 + 6 = 12 kgYou need to login to perform this action.
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