Table:
0
A
B
C
D
E
1
Country
Carbon dioxide emissions per year (10 6 Tons) (2006)
Percentage of global total
Avg. emission per km 2 of its land (tons)
Carbon dioxide emissions per year (Tons per person) (2007)
2
China
6103
21.5%
636
4.9
3
United States
5752
20.2%
597
19.3
4
Russia
1564
5.5%
91
11.6
5
India
1510
5.3%
459
1.4
6
Japan
1293
4.6%
3421
9.8
7
Germany
805
2.8%
2254
9.6
8
United Kingdom
568
2.0%
2338
8.9
9
Canada
544
1.9%
54
16.5
10
South Korea
475
1.7%
4758
10.5

Questions and formulas:
Question: WHAT WAS THE AMOUNT OF CARBON DIOXIDE EMISSIONS  IN 2006 IN THE COUNTRY WHOSE  CO2 EMISSIONS (TONS PER PERSON)  REACHED 1.4 IN 2OO7?
Formula: SUM(FILTER(B1, E1=1.4))
Formula2: SUM(FILTER(B2:B10, E2:E10=1.4))
Level: easy
Question: HOW MANY TONS OF CO2 EMISSIONS DID RUSSIA PRODUCE IN 2006?
Formula: SUMIFS(B1,A1,"Russia")
Formula2: SUMIFS(B2:B10,A2:A10,"Russia")
Level: easy
Question: WHAT PERCENTAGE OF GLOBAL TOTAL EMISSIONS DID INDIA PRODUCE?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="India"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,A2:A10="India"),3))
Level: medium
Question: HOW MUCH IS THE PERCENTAGE OF GLOBAL TOTAL EMISSIONS IN THE COUNTRY THAT PRODUCED 4.9 TONS PER PERSON IN 2007?
Formula: LET(query1,SUMMARIZE(C1,SUMX(E1)),FILTER(query1,CHOOSECOLS(query1,2)=4.9))
Formula2: LET(query1,SUMMARIZE(C2:C10,SUMX(E2:E10)),FILTER(query1,CHOOSECOLS(query1,2)=4.9))
Level: hard
Question: WHAT WAS THE AVERAGE EMISSION PER KM 2 IN INDIA?
Formula: SUMIFS(D1,A1,"India")
Formula2: SUMIFS(D2:D10,A2:A10,"India")
Level: easy