Sideeq, there is no any major difference between square kilometer and kilometer square. Both are having same meaning with different writing styles. 1 sq. km. means the square having side length of 1 km and it is as same as 1 km. sq.
I hope this information helps you.
Good Luck!!
Question : According to the 2011 Census, what is the population density of India?
Option 1: 356 persons per square kilometre
Option 2: 382 persons per square kilometre
Option 3: 495 persons per square kilometre
Option 4: 482 persons per square kilometre
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile