Table:
0
A
B
C
D
1
party id
payment method code
party phone
party email
2
1
Cheque
5374656172
enrico09@example.com
3
2
Credit Card
1-525-947-7867x51521
brakus.aliya@example.com
4
3
Cheque
1-606-232-3728x3568
frida57@example.org
5
4
Cash
019-302-5166
wuckert.misty@example.com
6
5
Cheque
529-074-5348
alanna.boehm@example.net
7
6
Credit Card
1-950-874-1693x65923
daniel.charity@example.net
8
7
Direct Debit
112-477-4433x137
lucinda83@example.org
9
8
Cash
(919)169-1514x55820
erick.mills@example.com
10
9
Cash
4177934231
evie97@example.org
11
10
Credit Card
(211)528-0733x8063
hilll.elyssa@example.net
12
11
Credit Card
1-985-957-5462
jamir.hyatt@example.net
13
12
Cheque
1-386-339-9244
eden67@example.net
14
13
Direct Debit
186-726-9855
ora.hyatt@example.net
15
14
Cash
971-607-7001x08626
rhauck@example.org
16
15
Cash
231.232.0099
noe.ziemann@example.org

Questions and formulas:
Question: Find the payment method and phone of the party with email "enrico09@example.com".
Formula: CHOOSE({1,2},FILTER(B1,D1="enrico09@example.com"),FILTER(C1,D1="enrico09@example.com"))
Formula2: CHOOSE({1,2},FILTER(B2:B16,D2:D16="enrico09@example.com"),FILTER(C2:C16,D2:D16="enrico09@example.com"))
Level: medium
Question: What is the payment method code and party phone of the party with the email 'enrico09@example.com'?
Formula: CHOOSE({1,2},FILTER(B1,D1="enrico09@example.com"),FILTER(C1,D1="enrico09@example.com"))
Formula2: CHOOSE({1,2},FILTER(B2:B16,D2:D16="enrico09@example.com"),FILTER(C2:C16,D2:D16="enrico09@example.com"))
Level: medium
Question: Find the payment method code used by more than 3 parties.
Formula: LET(query1,SUMMARIZE(B1,SUMX(A1)),FILTER(query1,CHOOSECOLS(query1,3)>3))
Formula2: LET(query1,SUMMARIZE(B2:B16,SUMX(A2:A16)),FILTER(query1,CHOOSECOLS(query1,3)>3))
Level: hard
Question: What are the payment method codes that have been used by more than 3 parties?
Formula: LET(query1,SUMMARIZE(B1,SUMX(A1)),FILTER(query1,CHOOSECOLS(query1,3)>3))
Formula2: LET(query1,SUMMARIZE(B2:B16,SUMX(A2:A16)),FILTER(query1,CHOOSECOLS(query1,3)>3))
Level: hard
Question: How many distinct payment methods are used by parties?
Formula: ROWS(UNIQUE(B1))
Formula2: ROWS(UNIQUE(B2:B16))
Level: easy
Question: Count the number of different payment method codes used by parties.
Formula: ROWS(UNIQUE(B1))
Formula2: ROWS(UNIQUE(B2:B16))
Level: easy
Question: Which payment methods are used by more than 3 parties?
Formula: LET(query1,SUMMARIZE(B1,SUMX(A1)),FILTER(query1,CHOOSECOLS(query1,3)>3))
Formula2: LET(query1,SUMMARIZE(B2:B16,SUMX(A2:A16)),FILTER(query1,CHOOSECOLS(query1,3)>3))
Level: hard
Question: Payment methods that are used by more than 3 parties
Formula: LET(query1,SUMMARIZE(B1,SUMX(A1)),FILTER(query1,CHOOSECOLS(query1,3)>3))
Formula2: LET(query1,SUMMARIZE(B2:B16,SUMX(A2:A16)),FILTER(query1,CHOOSECOLS(query1,3)>3))
Level: hard
Question: Compare the number of payment methods from party to party.
Formula: SUMMARIZE(A1,DCOUNTX(B1))
Formula2: SUMMARIZE(A2:A16,DCOUNTX(B2:B16))
Level: easy
Question: Compare the varieties of payment methods among parties.
Formula: UNIQUE(HSTACK(B1,A1))
Formula2: UNIQUE(HSTACK(B2:B16,A2:A16))
Level: easy
Question: The payment methods which are used by more than 3 parties.
Formula: LET(query1,SUMMARIZE(B1,SUMX(A1)),FILTER(query1,CHOOSECOLS(query1,3)>3))
Formula2: LET(query1,SUMMARIZE(B2:B16,SUMX(A2:A16)),FILTER(query1,CHOOSECOLS(query1,3)>3))
Level: hard