Table:
0
A
B
C
D
E
1
Denomination
Metal
Weight
Shape
Size
2
One Rupee
Nickel
10 g
Circular
28mm
3
Fifty Naye Paise
Nickel
5 g
Circular
24mm
4
Twenty Five Naye Paise
Nickel
2.5 g
Circular
19mm
5
Ten Naye Paise
Cupro-Nickel
5 g
Eight Scalloped
23mm (across scallops)
6
Five Naye Paise
Cupro-Nickel
4 g
Square
22mm (across corners)
7
Two Naye Paise
Cupro-Nickel
3 g
Eight Scalloped
18mm (across scallops)
8
One Naya Paisa
Bronze
1.5 g
Circular
16mm

Questions and formulas:
Question: What weight has one rupee as the denomination?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="one rupee"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,A2:A8="one rupee"),3))
Level: medium
Question: What is the size that has nickel as the metal, and one rupee as the denomination?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(B1="nickel")*(A1="one rupee")),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,(B2:B8="nickel")*(A2:A8="one rupee")),5))
Level: medium
Question: What metal has one rupee as the denomination?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="one rupee"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,A2:A8="one rupee"),2))
Level: medium
Question: What shape has nickel as the metal, and one rupee as the denomination?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(B1="nickel")*(A1="one rupee")),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,(B2:B8="nickel")*(A2:A8="one rupee")),4))
Level: medium