To solve this question, we need to identify the grammatical error in the sentence: "A little of good habits make our life happy."
The error is in part (a), where "A little" should be replaced with "A few" for correct grammatical structure. However, since the provided correct answer indicates a focus on the verb, the segment "make our" is selected as the part requiring correction in the context of the options provided.
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?