1.What did Nigeria change?
a) its economic system
b) the way it measures GDP
c) laws
d) its currency
2.How many times has Nigeria been the biggest economy before?
a) three
b) two
c) one
d) none
3.What were not accounted for under old measuring rules?
a) newer industries
b) ratios and indices
c) profits of oil companies
d) balance sheets
4.Which country is the traditional powerhouse?
a) Kenya
b) Congo
c) South Africa
d) Egypt
5.Who calculated Nigeria's 2013 GDP?
a) the prime minister
b) Nigerian statisticians
c) a top accountancy company
d) the World Bank
6.What do most countries do to their GDP every three years?
a) rebase it
b) celebrate it
c) round it up
d) convert it to U.S. dollars
7.How long had it been since Nigeria rebased its economy?
a) a decade and a half
b) a time eternal
c) 20 years
d) 12 years
8.Who is Dr Yemi Kale
a) Nigeria's chief statistician
b) editor of Nigeria's biggest newspaper
c) a union leader
d) a surgeon
9.What did the statistician say had not suddenly happened?
a) a miracle
b) the economy doubling
c) the mobile phone industry
d) measurements
10.How many Nigerians still live on $2 a day?
a) 17 million
b) 117 million
c) 70 million
d) 170 million