The task is to find a suitable one-word substitute for the phrase "An animal or plant that lives in or on another animal or plant." Let's analyze the options provided:
Therefore, the suitable one-word substitute is Parasite, as it accurately describes an organism living in or on another organism.
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?