Key in the development measure

Exercise and reference answers

Questions

1. Answer

   2000

   Question

   Total income of a country is 6000 and its population is 3. What is the per capita income?

2. Answer

   2500

   Question

   Four people earn 1000, 2000, 3000 and 4000. What is their average income?

3. Answer

   300

   Question

   A country's income is 90000 and per capita income is 300. What is its population?

Instructions

Work out each answer and key it in on the pad.

Explanation