Table:
0
A
B
C
D
1
member id
name
country
college id
2
1
Jack Nicklaus
United States
1
3
2
Billy Casper
United States
1
4
3
Arnold Palmer
Canada
4
5
4
Tom Watson
United States
4
6
5
Homero Blancas
United States
2
7
6
Pat Fitzsimons
Canada
5
8
7
Bobby Nichols
Canada
5
9
8
J. C. Snead
Canada
4
10
9
Lee Trevino
United States
3
11
10
Tom Weiskopf
United States
3

Questions and formulas:
Question: How many members are there?
Formula: SUM(A1)
Formula2: SUM(A2:A11)
Level: easy
Question: List the names in ascending alphabetical order.
Formula: SORT(UNIQUE(B1), 1, 1)
Formula2: SORT(UNIQUE(B2:B11), 1, 1)
Level: easy
Question: What are the names and countries of members?
Formula: CHOOSE({1,2},B1,C1)
Formula2: CHOOSE({1,2},B2:B11,C2:C11)
Level: easy
Question: Show the names of members whose country is "United States" or "Canada".
Formula: FILTER(B1,(C1="United States")+(C1="Canada"))
Formula2: FILTER(B2:B11,(C2:C11="United States")+(C2:C11="Canada"))
Level: easy
Question: Show the different countries and the number of members from each.
Formula: SUMMARIZE(C1,SUMX(A1))
Formula2: SUMMARIZE(C2:C11,SUMX(A2:A11))
Level: easy
Question: Which countries have more than two members?
Formula: LET(query1,SUMMARIZE(C1,SUMX(A1)),FILTER(query1,CHOOSECOLS(query1,3)>2))
Formula2: LET(query1,SUMMARIZE(C2:C11,SUMX(A2:A11)),FILTER(query1,CHOOSECOLS(query1,3)>2))
Level: hard
Question: Amount of members in total
Formula: SUM(A1)
Formula2: SUM(A2:A11)
Level: easy
Question: Show names in alphabetical order
Formula: SORT(UNIQUE(B1), 1, 1)
Formula2: SORT(UNIQUE(B2:B11), 1, 1)
Level: easy
Question: The names, countries and member ids.
Formula: UNIQUE(HSTACK(B1,C1,A1))
Formula2: UNIQUE(HSTACK(B2:B11,C2:C11,A2:A11))
Level: easy
Question: Canadian and American member names and ids
Formula: LET(query1,FILTER(A1:D1,(C1="united states")+(C1="canada")),UNIQUE(CHOOSECOLS(query1,2,1)))
Formula2: LET(query1,FILTER(A2:D11,(C2:C11="united states")+(C2:C11="canada")),UNIQUE(CHOOSECOLS(query1,2,1)))
Level: hard
Question: How many members come from each nation?
Formula: SUMMARIZE(C1,SUMX(A1))
Formula2: SUMMARIZE(C2:C11,SUMX(A2:A11))
Level: easy
Question: countries that have 2 members or over
Formula: LET(query1,SUMMARIZE(C1,SUMX(A1)),FILTER(query1,CHOOSECOLS(query1,3)>2))
Formula2: LET(query1,SUMMARIZE(C2:C11,SUMX(A2:A11)),FILTER(query1,CHOOSECOLS(query1,3)>2))
Level: hard
Question: The number of members.
Formula: SUM(A1)
Formula2: SUM(A2:A11)
Level: easy
Question: What are the names from 'a' to 'z'?
Formula: SORT(UNIQUE(B1), 1, 1)
Formula2: SORT(UNIQUE(B2:B11), 1, 1)
Level: easy
Question: What are the names and ids for members from the US and Canada?
Formula: LET(query1,FILTER(A1:D1,(C1="united states")+(C1="canada")),UNIQUE(CHOOSECOLS(query1,2,1)))
Formula2: LET(query1,FILTER(A2:D11,(C2:C11="united states")+(C2:C11="canada")),UNIQUE(CHOOSECOLS(query1,2,1)))
Level: hard
Question: How many members from each country?
Formula: SUMMARIZE(C1,SUMX(A1))
Formula2: SUMMARIZE(C2:C11,SUMX(A2:A11))
Level: easy
Question: The countries with more than 2 members.
Formula: LET(query1,SUMMARIZE(C1,SUMX(A1)),FILTER(query1,CHOOSECOLS(query1,3)>2))
Formula2: LET(query1,SUMMARIZE(C2:C11,SUMX(A2:A11)),FILTER(query1,CHOOSECOLS(query1,3)>2))
Level: hard