Micah 6:11, "Shall I be pure with dishonest scales, and with a bag of deceitful weights?" is a rhetorical question posed by God, highlighting the hypocrisy and injustice present in Israel at the time of Micah. Here's a breakdown of its meaning:

"Shall I be pure...": This introduces the central question and establishes the standard: God's purity and righteousness. He cannot condone or tolerate impurity.

"...with dishonest scales...": Scales were used to weigh goods in trade. "Dishonest scales" refer to scales that are manipulated to give an inaccurate weight, usually to cheat the buyer. The seller would falsely claim a product was heavier than it actually was to charge more for it.

"...and with a bag of deceitful weights?": Weights were used with the scales to measure the quantity of goods. "Deceitful weights" refers to having weights that are lighter than they claim to be, again used to cheat customers. Merchants would use lighter weights to make it seem like they were giving the correct amount when they were actually giving less.

Overall Meaning:
The verse condemns the use of dishonest business practices. God is essentially asking, "How can I, a just and holy God, possibly bless or tolerate a society where people are cheating and defrauding each other in everyday transactions?"

It's a rhetorical question implying a strong negative answer. God is saying that he cannot be associated with or approve of such dishonesty. The verse emphasizes that:

God cares about justice and fair dealings. It's not just about grand religious rituals; it's about ethical behavior in everyday life.
Dishonesty is an affront to God's character. It's a form of rebellion against his moral law.
True worship must be accompanied by righteous living. You can't claim to be religious while engaging in corrupt practices.

In essence, the verse calls for integrity and honesty in all aspects of life, especially in business and trade. It reminds us that God expects us to treat others fairly and justly.