Table:
0
A
B
C
D
E
F
1
Class
Operator
Number
Year Built
Cars per Set
Unit Numbers.
2
Class 253
BR Western Region
27
1975-1977
9
253001-253027
3
Class 253
BR Western Region
13
1978-1979
9
253028-253040
4
Class 253
BR Cross Country
18
1981-1982
9
253041-253058
5
Class 254
BR Eastern Region BR Scottish Region
32
1977-1979
10
254001-254032
6
Class 254
BR Eastern Region BR Scottish Region
4
1982
10
254033-254037

Questions and formulas:
Question: What is the smallest number for Cars per Set built in 1977-1979 larger than 32?
Formula: MIN(FILTER(E1, (D1="1977-1979")*(C1>32)))
Formula2: MIN(FILTER(E2:E6, (D2:D6="1977-1979")*(C2:C6>32)))
Level: easy
Question: What unit has cars per set larger than 9 built in 1982?
Formula: LET(query1,LET(query1,FILTER(A1:F1,D1="1982"),SUMMARIZE(CHOOSECOLS(query1,6),SUMX(CHOOSECOLS(query1,5)))),FILTER(query1,CHOOSECOLS(query1,2)>9))
Formula2: LET(query1,LET(query1,FILTER(A2:F6,D2:D6="1982"),SUMMARIZE(CHOOSECOLS(query1,6),SUMX(CHOOSECOLS(query1,5)))),FILTER(query1,CHOOSECOLS(query1,2)>9))
Level: hard
Question: What is the largest number of cars per set that is less than 9?
Formula: MAX(FILTER(C1, E1<9))
Formula2: MAX(FILTER(C2:C6, E2:E6<9))
Level: easy
Question: What year was the class 253 larger than 18 built?
Formula: LET(query1,LET(query1,FILTER(A1:F1,A1="class 253"),SUMMARIZE(CHOOSECOLS(query1,4),SUMX(CHOOSECOLS(query1,3)))),FILTER(query1,CHOOSECOLS(query1,2)>18))
Formula2: LET(query1,LET(query1,FILTER(A2:F6,A2:A6="class 253"),SUMMARIZE(CHOOSECOLS(query1,4),SUMX(CHOOSECOLS(query1,3)))),FILTER(query1,CHOOSECOLS(query1,2)>18))
Level: hard