The way I dressed up seemed quite incongruous compared to what majority of the people were wearing, black suit. OK unsuitable, ridiculous
The Mongol ethic group in northwestern Chinese province attempted to incite a rebellion against the Chinese government. OK to deliberately encourage people to fight
My income is an aggregate of individual incomes from multiple jobs This is more meaningful
It is common for people to be avarice in this recession since they are not making as much as they did couple years ago. OK
Question - How do you know when to use either criterion and criteria? could you please give me an example for each of the two words?
Criterion is a countable noun. Its plural form is criteria and it is usually the plural that has been used as singular
There are several criteria for selection of students for admission. (Plural)
Academic ability is not the sole criterion for admission to the college. (Here also criteria can be used..
So it is up to you chose any form you like.
Student or Learner