The idiom in question is "Mind your Ps and Qs," which generally means to be particularly careful and courteous in one's speech or behavior. In the context of the sentence provided, it suggests that one should be careful before signing the final deed, which implies the need for caution and attentiveness.
Let's examine the options provided:
Based on the above analysis, the interpretation that best expresses the meaning of the idiom "Mind your Ps and Qs" is to be cautious and careful. This aligns with the context of being attentive and cautious before taking an important action, such as signing a document.
If the price of a commodity increases by 25%, by what percentage should the consumption be reduced to keep the expenditure the same?
A shopkeeper marks his goods 40% above cost price and offers a 10% discount. What is his percentage profit?