Question

The population of a city is increased by 10% in 1st year and then decreased by 20% in second year. Find the final population after 2 years if the initial population was 76,000.

• A. 67,730
• B. 66,880
• C. 68,960
• D. 67,540

Answer 1

Answer:

B. 66,880

Final population = 76,000 × (110/100) × (80/100) ⇒ Final population = 76,000 × (11/10) × (4/5) ⇒ Final population = 66,880