RRB NTPC · Question 41
If the length and breadth of a rectangular plot of land are increased by 10% and 8% respectively, then by how much percentage will its area increase or decrease?
Show answer & explanation
Answer: (C) 18.8% increase
Explanation
New area = 1.10 × 1.08 = 1.188 times the old area – an 18.8% increase.