Question:
The population of a town increased arithmetically from one lakh to 1.5 lakh during a decade. Find the percentage of increase in population per year.
A50%
B5%
C100%
D33%
Answer:
B. 5%
Explanation:
Increase of 50000 in a decade 50000/100000 × 100 = 50% in a decade ⇒ in one year 50/10 =5% increase