Table:
0
A
B
C
D
E
F
1
product id
product type code
daily hire cost
product name
product description
products for hire
2
1
Cutlery
26.15
Book collection C
Anna Karenina
3
2
Cutlery
15.62
Book collection B
War and Peace
4
3
Cutlery
39.73
Book collection A
The Great Gatsby
5
4
Din_Plates
18.5
DVD collection A
Twilight
6
5
Cutlery
39.58
DVD collection B
One Hundred Years of Solitude

Questions and formulas:
Question: How many different product types are there?
Formula: ROWS(UNIQUE(B1))
Formula2: ROWS(UNIQUE(B2:B6))
Level: easy
Question: What are the names and descriptions of the products that are of 'Cutlery' type and have daily hire cost lower than 20?
Formula: CHOOSE({1,2},FILTER(D1,(B1="Cutlery")*(C1<20)),FILTER(E1,(B1="Cutlery")*(C1<20)))
Formula2: CHOOSE({1,2},FILTER(D2:D6,(B2:B6="Cutlery")*(C2:C6<20)),FILTER(E2:E6,(B2:B6="Cutlery")*(C2:C6<20)))
Level: medium