Final answer:
The weight of the rice in the drum is 27 kg.
Step-by-step explanation:
To find the weight of rice in the drum, we subtract the weight of the empty drum from the weight of the drum filled with rice.
The weight of the rice = Weight of drum with rice - Weight of empty drum = 40 kg - 13 kg = 27 kg.
Therefore, the weight of the rice in the drum is 27 kg.
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