Table:
0
A
B
C
1
account id
statement id
account details
2
7
57
495.063
3
61
57
930.14
4
98
57
6035.84
5
136
57
199.52
6
164
192
12223.93
7
209
57
11130.23
8
211
192
1230.454
9
240
192
6352.31
10
262
57
147.96
11
280
57
187.14
12
321
192
745.817
13
346
192
127.9
14
414
57
25.41
15
427
57
1168.32
16
451
192
658.26

Questions and formulas:
Question: How many accounts do we have?
Formula: SUM(A1)
Formula2: SUM(A2:A16)
Level: easy
Question: Count the number of accounts.
Formula: SUM(A1)
Formula2: SUM(A2:A16)
Level: easy
Question: Show all account ids and account details.
Formula: SUMMARIZE(A1,SUMX(C1))
Formula2: SUMMARIZE(A2:A16,SUMX(C2:C16))
Level: easy
Question: What are the ids and details of all accounts?
Formula: SUMMARIZE(A1,SUMX(C1))
Formula2: SUMMARIZE(A2:A16,SUMX(C2:C16))
Level: easy
Question: Show all statement id and the number of accounts for each statement.
Formula: SUMMARIZE(B1,SUMX(A1))
Formula2: SUMMARIZE(B2:B16,SUMX(A2:A16))
Level: easy
Question: What are the different statement ids on accounts, and the number of accounts for each?
Formula: SUMMARIZE(B1,SUMX(A1))
Formula2: SUMMARIZE(B2:B16,SUMX(A2:A16))
Level: easy
Question: Number of accounts for each statement 
Formula: SUMMARIZE(B1,SUMX(A1))
Formula2: SUMMARIZE(B2:B16,SUMX(A2:A16))
Level: easy
Question: What is the number of accounts for each statement?
Formula: SUMMARIZE(B1,SUMX(A1))
Formula2: SUMMARIZE(B2:B16,SUMX(A2:A16))
Level: easy
Question: The number of accounts.
Formula: SUM(A1)
Formula2: SUM(A2:A16)
Level: easy
Question: How many accounts are listed? 
Formula: SUM(A1)
Formula2: SUM(A2:A16)
Level: easy
Question: How many accounts?
Formula: SUM(A1)
Formula2: SUM(A2:A16)
Level: easy
Question: How many accounts for different statements?
Formula: SUMMARIZE(B1,DCOUNTX(A1))
Formula2: SUMMARIZE(B2:B16,DCOUNTX(A2:A16))
Level: easy
Question: The number of accounts.
Formula: SUM(A1)
Formula2: SUM(A2:A16)
Level: easy