A housing society has been allotted a square piece of land measuring 2550.25 sq.m. What is the side of the plot?  Choose one:
A) 50.25 m B) 50.5 m C) 50.65 m D) 50.85 E) none

Rationale: solution side = √ 2550.25 = √ 255025 / 100 = 505 / 10 = 50.5 m . answer b
Answer: B