1. 

What is the area of the given rectangle?

I. Perimeter of the rectangle is 60 cm.

II. Breadth of the rectangle is 12 cm.

III. Sum of two adjacent sides is 30 cm.

A. I only
B. II only
C. I and II only
D. II and III only
E. II and either I or III

Answer: Option E

Explanation:

So, III is redundant.

Also, from II and III, we can find the length and breadth and therefore the area can be obtained.

So, I is redundant.

∴ Correct answer is "II and either I or III".