The question presents a pair of words, 'Flies : Swarm', and asks us to find a similar relationship with 'Dolphins : ?'. Let's break down the relationship to identify the correct answer.
Let’s evaluate the given options:
Based on the analysis above, the correct answer is School.
Therefore, the analogy is 'Dolphins : School'.
If the price of a commodity increases by 25%, by what percentage should the consumption be reduced to keep the expenditure the same?