Table:
0
A
B
C
D
E
1
Name
Year commissioned
Gross head (metres)
Installed capacity (megawatts)
Average annual output (million KWh)
2
Deanie
1963
113
38
92
3
Culligran
1962
60
19
59
4
Mullardoch
1955
27
2.4
8
5
Fasnakyle
1951
159
69
254
6
Aigas
1962
18
20
60
7
Kilmorack
1962
17
20
58

Questions and formulas:
Question: What is the earliest Year commissioned wiht an Average annual output greater than 58 and Installed capacity of 20?
Formula: MIN(FILTER(B1,(E1>58)*(D1=20)))
Formula2: MIN(FILTER(B2:B7,(E2:E7>58)*(D2:D7=20)))
Level: easy
Question: What is the Average annual output for Culligran power station with an Installed capacity less than 19?
Formula: AVERAGE(FILTER(E1,(A1="culligran")*(D1<19)))
Formula2: AVERAGE(FILTER(E2:E7,(A2:A7="culligran")*(D2:D7<19)))
Level: easy
Question: What is the Year Commissioned of the power stationo with a Gross head of less than 18?
Formula: AVERAGE(FILTER(B1,C1<18))
Formula2: AVERAGE(FILTER(B2:B7,C2:C7<18))
Level: easy
Question: What is the Year commissioned of the power station with a Gross head of 60 metres and Average annual output of less than 59 million KWh?
Formula: MAX(FILTER(B1,(C1=60)*(E1<59)))
Formula2: MAX(FILTER(B2:B7,(C2:C7=60)*(E2:E7<59)))
Level: easy