A) \[680\,\,g\]
B) \[1368\,\,g\]
C) \[3\,\,kg\,\,420\,\,g\]
D) \[2\,\,kg\,\,720\,\,g\]
Correct Answer: A
Solution :
20% of \[3\,\,kg\,\,400\,\,g\] \[=\frac{20}{100}\times 3400\,\,g=680\,\,g\]
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