The area of a rectangular plot is 23 times its breadth. If the difference between the length and the breadth is 10 metres, what is its breadth?
Answers:
A) 13 metres
B) 5 metres
C) 7.5 metres
D) data inadequate
E) none of these

Rationale: "l × b = 23 × b ∴ l = 23 m and l – b = 10 ∴ b = 23 – 10 = 13 m answer a"
Answer: A