Table:
0
A
B
C
D
E
1
Name
in × in
mm × mm
Ratio
Similar ISO A size
2
ANSI A
8.5 × 11
216 × 279
1.2941
A4
3
ANSI B
11 × 17
279 × 432
1.5455
A3
4
ANSI C
17 × 22
432 × 559
1.2941
A2
5
ANSI D
22 × 34
559 × 864
1.5455
A1
6
ANSI E
34 × 44
864 × 1118
1.2941
A0

Questions and formulas:
Question: Which Ratio has a Similar ISO A size of a3?
Formula: SUMIFS(D1,E1,"a3")
Formula2: SUMIFS(D2:D6,E2:E6,"a3")
Level: easy
Question: Which mm × mm has an in × in of 11 × 17?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="11 × 17"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,B2:B6="11 × 17"),3))
Level: medium
Question: Which Ratio has a Name of ansi e?
Formula: SUMIFS(D1,A1,"ansi e")
Formula2: SUMIFS(D2:D6,A2:A6,"ansi e")
Level: easy
Question: Which Ratio has an in × in of 17 × 22?
Formula: SUMIFS(D1,B1,"17 × 22")
Formula2: SUMIFS(D2:D6,B2:B6,"17 × 22")
Level: easy