​What is the result when 7kg 7g is subtracted from 9kg?​

Correct option is D

Given:
We need to subtract 7 kg 7 g from 9 kg.
Solution:
Convert the weights to the same unit (grams):
9 kg = 9,000 g
7 kg 7 g = 7,000 g + 7 g = 7,007 g
Subtract the weights:
9,000 g - 7,007 g = 1,993 g
Convert the result back to kilograms:
1,993 g = 1.993 kg
Correct answer is (d) 1.993 kg.