Table:
0
A
B
C
D
E
1
Rank
Province
Population (2011)
Area (km²)
Density (per km²)
2
1
Gauteng
12,272,263
18,178
675.1
3
2
KwaZulu-Natal
10,267,300
94,361
108.8
4
3
Mpumalanga
4,039,939
76,495
52.8
5
4
Western Cape
5,822,734
129,462
45.0
6
5
Limpopo
5,404,868
125,755
43.0
7
6
Eastern Cape
6,562,053
168,966
38.8
8
7
North West
3,509,953
104,882
33.5
9
8
Free State
2,745,590
129,825
21.1
10
9
Northern Cape
1,145,861
372,889
3.1
11
South Africa
South Africa
51,770,561
1,220,813
42.4

Questions and formulas:
Question: what is the least density (per km²) when the area (km²) is more than 129,825 and the rank is 3?
Formula: MIN(FILTER(E1, (D1>129825)*(A1="3")))
Formula2: MIN(FILTER(E2:E11, (D2:D11>129825)*(A2:A11="3")))
Level: easy
Question: what is the  Density (per km²) when the Area (km²) is 372,889 and the population (2011) is 1,145,861?
Formula: SUM(FILTER(E1, (D1=372889)*(C1>1145861)))
Formula2: SUM(FILTER(E2:E11, (D2:D11=372889)*(C2:C11>1145861)))
Level: easy
Question: what is the area (km²) when the rank is south africa and the population (2011) is more than 51,770,561?
Formula: SUM(FILTER(D1, (A1="south africa")*(C1>51770561)))
Formula2: SUM(FILTER(D2:D11, (A2:A11="south africa")*(C2:C11>51770561)))
Level: easy
Question: what is the least density (per km²) when the rank is 5 and the Area (km²) is less than 125,755?
Formula: MIN(FILTER(E1, (A1="5")*(D1<125755)))
Formula2: MIN(FILTER(E2:E11, (A2:A11="5")*(D2:D11<125755)))
Level: easy