Table:
0
A
B
C
D
E
F
1
Method of administration[ citation needed ]
Category 1
Category 2
Category 3
Category 4
Category 5
2
Oral: LD50 measured in mg/kg of bodyweight
5
50
300
2 000
5 000
3
Dermal: LD 50 measured in mg/kg of bodyweight
50
200
1 000
2 000
5 000
4
Gas Inhalation: LC 50 measured in ppmV
100
500
2 500
20 000
Undefined
5
Vapour Inhalation: LC 50 measured in mg/L
0.5
2.0
10
20
Undefined
6
Dust and Mist Inhalation: LC 50 measured in mg/L
0.05
0.5
1.0
5.0
Undefined

Questions and formulas:
Question: What's the sum of all values in category 1 when category 3 is equal to 300?
Formula: SUM(FILTER(B1, D1=300))
Formula2: SUM(FILTER(B2:B6, D2:D6=300))
Level: easy
Question: If category 1 is 0.05, what is category 3?
Formula: LET(query1,SUMMARIZE(D1,SUMX(B1)),FILTER(query1,CHOOSECOLS(query1,2)=0.05))
Formula2: LET(query1,SUMMARIZE(D2:D6,SUMX(B2:B6)),FILTER(query1,CHOOSECOLS(query1,2)=0.05))
Level: hard