Three of the following four options are similar in a certain way and one is different. Find the one that is different.
$$6-36-216=6\times\ 36=216\ \&\ 10-100-1000=10\times\ 100=1000\ \&\ 5-25-125=5\times25=125.\ $$
But 3-6-27 is not in the same pattern.
So, option C is correct answer.
Create a FREE account and get:
CAT Averages, Ratios & Proportions
CAT Logarithms, Surds & Indices
CAT Functions, Graphs & Statistics
CAT DI Data Change Over Period
CAT Tables With Missing Values
CAT LR Selections With Conditions