Table:
0
A
B
C
D
E
F
1
city
area 1996 km²
area 2006 km²
pop. 1999
pop. 2003
pop. 2006
2
Gdańsk
265.03
266.00
457,937
461,011
456,658
3
Gdynia
135.49
141.49
255,014
253,500
251,844
4
Sopot
17.31
17.31
42,333
41,017
39,624
5
Pruszcz Gdański
16.47
16.47
21,757
23,187
24,276
6
Rumia
32,86
30.00
40 200
43 000
44,551
7
Reda
26.39
30.00
17,510
17,868
18,610
8
Wejherowo
25.65
26.00
47,038
46,900
45,522
9
Total
513.42
521.27
884,080
885,240
881,085

Questions and formulas:
Question: Which area 2006 km² has an area 1996 km² smaller than 17.31?
Formula: SUM(FILTER(C1, B1<17.31))
Formula2: SUM(FILTER(C2:C9, B2:B9<17.31))
Level: easy
Question: Which area 2006 km² has an area 1996 km² of 26.39, and a pop 2006 smaller than 18,610?
Formula: SUM(FILTER(C1, (B1=26.39)*(F1<18610)))
Formula2: SUM(FILTER(C2:C9, (B2:B9=26.39)*(F2:F9<18610)))
Level: easy
Question: Which area 2006 km² has a city of sopot, and an area 1996 km² smaller than 17.31?
Formula: SUM(FILTER(C1, (A1="sopot")*(B1<17.31)))
Formula2: SUM(FILTER(C2:C9, (A2:A9="sopot")*(B2:B9<17.31)))
Level: easy
Question: Which area 1996 km² has a pop 1999 of 17,510, and an area 2006 km² larger than 30?
Formula: SUM(FILTER(B1, (D1=17510)*(C1>30)))
Formula2: SUM(FILTER(B2:B9, (D2:D9=17510)*(C2:C9>30)))
Level: easy