Table:
0
A
B
C
D
1
lot id
investor id
lot details
lots
2
1
13
r
3
2
16
z
4
3
10
s
5
4
19
s
6
5
6
q
7
6
20
d
8
7
7
m
9
8
7
h
10
9
20
z
11
10
9
x
12
11
1
d
13
12
19
m
14
13
7
z
15
14
6
d
16
15
1
h

Questions and formulas:
Question: Lot details
Formula: UNIQUE(C1)
Formula2: UNIQUE(C2:C16)
Level: easy
Question:  lot details by investor.
Formula: UNIQUE(HSTACK(C1,B1))
Formula2: UNIQUE(HSTACK(C2:C16,B2:B16))
Level: easy
Question: The lot details
Formula: UNIQUE(C1)
Formula2: UNIQUE(C2:C16)
Level: easy
Question: The lot details for each investor.
Formula: UNIQUE(HSTACK(C1,B1))
Formula2: UNIQUE(HSTACK(C2:C16,B2:B16))
Level: easy