Table:
0
A
B
C
D
E
1
Denomination
Metal
Weight
Shape
Size
2
One Paisa
Aluminium-Magnesium
0.75 g
Square
17mm (Diagonal)
3
Two Paise
Aluminium-Magnesium
1 g
Scalloped
20mm (across scallops)
4
Three Paise
Aluminium-Magnesium
1.25 g
Hexagonal
21mm (Diagonal)
5
Five Paise
Aluminium-Magnesium
1.5 g
Square
22mm (Diagonal)
6
Ten Paise
Aluminium-Magnesium
2.3 g
Scalloped
26mm (across scallops)
7
Twenty Paise
Aluminium-Magnesium
2.2 g
Hexagonal
24.5mm (across flats)

Questions and formulas:
Question: Which metal has a size that is 26mm (across scallops)?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="26mm (across scallops)"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,E2:E7="26mm (across scallops)"),2))
Level: medium
Question: What is the weight with the shape of scalloped, and that is a size of 20mm (across scallops)?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(D1="scalloped")*(E1="20mm (across scallops)")),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,(D2:D7="scalloped")*(E2:E7="20mm (across scallops)")),3))
Level: medium
Question: What is the weight with a denomination that is three paise?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="three paise"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,A2:A7="three paise"),3))
Level: medium
Question: What is the weight with a denomination that is ten paise?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="ten paise"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,A2:A7="ten paise"),3))
Level: medium