Table:
0
A
B
C
D
E
F
1
climber id
name
country
time
points
mountain id
2
1
Klaus Enders
West Germany
1:13.05.6
15
1
3
2
Siegfried Schauzu
West Germany
1:14.56.4
12
1
4
3
Hans Luthringhauser
West Germany
1:16.58.0
10
2
5
4
Jean Claude Castella
Switzerland
1:17.16.0
8
2
6
5
Horst Owesle
West Germany
1:17.22.0
6
2
7
6
Georg Auerbacher
West Germany
1:18.14.6
5
3
8
7
Arseneus Butscher
West Germany
1:21.35.6
4
5
9
8
Charlie Freedman
United Kingdom
1:25.02.8
3
5
10
9
L Currie
United Kingdom
1:25.40.6
2
7
11
10
Mick Horsepole
United Kingdom
1:27.28.8
1
7

Questions and formulas:
Question: How many climbers are there?
Formula: SUM(A1)
Formula2: SUM(A2:A11)
Level: easy
Question: Count the number of climbers.
Formula: SUM(A1)
Formula2: SUM(A2:A11)
Level: easy
Question: List the names of climbers in descending order of points.
Formula: SORTBY(B1,E1,-1)
Formula2: SORTBY(B2:B11,E2:E11,-1)
Level: easy
Question: What are the names of the climbers, ordered by points descending?
Formula: SORTBY(B1,E1,-1)
Formula2: SORTBY(B2:B11,E2:E11,-1)
Level: easy
Question: List the names of climbers whose country is not Switzerland.
Formula: FILTER(B1,C1<>"Switzerland")
Formula2: FILTER(B2:B11,C2:C11<>"Switzerland")
Level: easy
Question: What are the names of climbers who are not from the country of Switzerland?
Formula: FILTER(B1,C1<>"Switzerland")
Formula2: FILTER(B2:B11,C2:C11<>"Switzerland")
Level: easy
Question: Return the maximum number of points for climbers from the United Kingdom.
Formula: MAX(FILTER(E1,C1="United Kingdom"))
Formula2: MAX(FILTER(E2:E11,C2:C11="United Kingdom"))
Level: easy
Question: How many distinct countries are each climbers from?
Formula: SUMMARIZE(A1,DCOUNTX(C1))
Formula2: SUMMARIZE(A2:A11,DCOUNTX(C2:C11))
Level: easy
Question: Count the number of different countries that climbers are from.
Formula: ROWS(UNIQUE(C1))
Formula2: ROWS(UNIQUE(C2:C11))
Level: easy
Question: Please show the countries and the number of climbers from each country.
Formula: SUMMARIZE(C1,SUMX(A1))
Formula2: SUMMARIZE(C2:C11,SUMX(A2:A11))
Level: easy
Question: How many climbers are from each country?
Formula: SUMMARIZE(C1,SUMX(A1))
Formula2: SUMMARIZE(C2:C11,SUMX(A2:A11))
Level: easy
Question: How many climbers does each country have?
Formula: SUMMARIZE(C1,SUMX(A1))
Formula2: SUMMARIZE(C2:C11,SUMX(A2:A11))
Level: easy
Question: number of climbers from different countries
Formula: SUMMARIZE(C1,DCOUNTX(A1))
Formula2: SUMMARIZE(C2:C11,DCOUNTX(A2:A11))
Level: easy
Question: number of climbers
Formula: SUM(A1)
Formula2: SUM(A2:A11)
Level: easy
Question: How many climbers in total?
Formula: SUM(A1)
Formula2: SUM(A2:A11)
Level: easy
Question: Names and ids of climbers who are not Swiss.
Formula: LET(query1,FILTER(A1:F1,C1<>"switzerland"),UNIQUE(CHOOSECOLS(query1,2,1)))
Formula2: LET(query1,FILTER(A2:F11,C2:C11<>"switzerland"),UNIQUE(CHOOSECOLS(query1,2,1)))
Level: hard
Question: names and ids of all climbers apart from those from switzerland
Formula: LET(query1,FILTER(A1:F1,C1<>"switzerland"),UNIQUE(CHOOSECOLS(query1,2,1)))
Formula2: LET(query1,FILTER(A2:F11,C2:C11<>"switzerland"),UNIQUE(CHOOSECOLS(query1,2,1)))
Level: hard
Question:  UK climber who reached the highest point. 
Formula: TAKE(SORT(LET(query1,FILTER(A1:F1,C1="united kingdom"),SUMMARIZE(CHOOSECOLS(query1,1),SUMX(CHOOSECOLS(query1,5)))), 2, -1), 1)
Formula2: TAKE(SORT(LET(query1,FILTER(A2:F11,C2:C11="united kingdom"),SUMMARIZE(CHOOSECOLS(query1,1),SUMX(CHOOSECOLS(query1,5)))), 2, -1), 1)
Level: hard
Question: Total number of countries and climbers respectively. 
Formula: HSTACK(ROWS(UNIQUE(C1)), SUM(A1))
Formula2: HSTACK(ROWS(UNIQUE(C2:C11)), SUM(A2:A11))
Level: hard
Question: How many countries and climbers respectively? 
Formula: HSTACK(ROWS(UNIQUE(C1)), SUM(A1))
Formula2: HSTACK(ROWS(UNIQUE(C2:C11)), SUM(A2:A11))
Level: hard
Question: the number of climbers
Formula: SUM(A1)
Formula2: SUM(A2:A11)
Level: easy
Question: How many climbers?
Formula: SUM(A1)
Formula2: SUM(A2:A11)
Level: easy
Question: the names and ids of climbers who are not from switzerland
Formula: LET(query1,FILTER(A1:F1,C1<>"switzerland"),UNIQUE(CHOOSECOLS(query1,2,1)))
Formula2: LET(query1,FILTER(A2:F11,C2:C11<>"switzerland"),UNIQUE(CHOOSECOLS(query1,2,1)))
Level: hard
Question: The UK climber who got the highest point.
Formula: TAKE(SORT(LET(query1,FILTER(A1:F1,C1="united kingdom"),SUMMARIZE(CHOOSECOLS(query1,1),SUMX(CHOOSECOLS(query1,5)))), 2, -1), 1)
Formula2: TAKE(SORT(LET(query1,FILTER(A2:F11,C2:C11="united kingdom"),SUMMARIZE(CHOOSECOLS(query1,1),SUMX(CHOOSECOLS(query1,5)))), 2, -1), 1)
Level: hard
Question: the respective number of countries and climbers.
Formula: HSTACK(ROWS(UNIQUE(C1)), SUM(A1))
Formula2: HSTACK(ROWS(UNIQUE(C2:C11)), SUM(A2:A11))
Level: hard
Question: How many countries and climbers?
Formula: HSTACK(ROWS(UNIQUE(C1)), SUM(A1))
Formula2: HSTACK(ROWS(UNIQUE(C2:C11)), SUM(A2:A11))
Level: hard
Question: the number of climbers from different countries
Formula: SUMMARIZE(C1,DCOUNTX(A1))
Formula2: SUMMARIZE(C2:C11,DCOUNTX(A2:A11))
Level: easy