Table:
0
A
B
C
D
1
document type code
document type name
document type description
reference document types
2
CV
CV
3
BK
Book
4
PR
Paper
5
RV
Review

Questions and formulas:
Question: Whats the quantity of document type codes?
Formula: ROWS(UNIQUE(A1))
Formula2: ROWS(UNIQUE(A2:A5))
Level: easy
Question: The number of document type codes.
Formula: ROWS(UNIQUE(A1))
Formula2: ROWS(UNIQUE(A2:A5))
Level: easy
Question: Document type codes and names
Formula: UNIQUE(HSTACK(A1,B1))
Formula2: UNIQUE(HSTACK(A2:A5,B2:B5))
Level: easy
Question: The document type codes and names.
Formula: UNIQUE(HSTACK(A1,B1))
Formula2: UNIQUE(HSTACK(A2:A5,B2:B5))
Level: easy
Question: Paper's document type code
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:D1,B1="paper"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:D5,B2:B5="paper"),1))
Level: medium
Question: What is the document type code for paper?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:D1,B1="paper"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:D5,B2:B5="paper"),1))
Level: medium
Question: How many document type codes?
Formula: ROWS(UNIQUE(A1))
Formula2: ROWS(UNIQUE(A2:A5))
Level: easy
Question: What are the document type codes and names?
Formula: UNIQUE(HSTACK(A1,B1))
Formula2: UNIQUE(HSTACK(A2:A5,B2:B5))
Level: easy
Question: The document type code for paper.
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:D1,B1="paper"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:D5,B2:B5="paper"),1))
Level: medium