Table:
0
A
B
C
D
E
1
Value
€ equiv.
Diameter
Weight
Composition
2
1 ₧
0.006 (0.01)
14mm
0.55 g
Aluminium
3
5 ₧
0.03
17.5mm
3 g
Aluminium bronze
4
10 ₧
0.06
18.5mm
4 g
Cupronickel
5
25 ₧
0.15
19.5mm
4.25 g
Aluminium bronze
6
50 ₧
0.30
20.5mm
5.60 g
Cupronickel
7
100 ₧
0.60
24.5mm
9.25 g
Aluminium bronze
8
200 ₧
1.20
25.5mm
10.5 g
Cupronickel
9
500 ₧
3.01
28mm
12 gr
Aluminium bronze

Questions and formulas:
Question: What is the value of the coin weighing 10.5 g and made of cupronickel?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(E1="cupronickel")*(D1="10.5 g")),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,(E2:E9="cupronickel")*(D2:D9="10.5 g")),1))
Level: medium
Question: What is the coin with a € equivalency of 0.30 made of?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1=0.3),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,B2:B9=0.3),5))
Level: medium
Question: What is the coin that weighs 3 g made of?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="3 g"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,D2:D9="3 g"),5))
Level: medium
Question: What is the diameter of the coin with a € equivalence of 0.60?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1=0.6),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,B2:B9=0.6),3))
Level: medium
Question: How much does the coin with a 14mm diameter weigh?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="14mm"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,C2:C9="14mm"),4))
Level: medium