A) Because Roman emperors invented them.
B) Because they used to be used in the British Empire.
C) Because Darth Vader measured Imperial Star Destroyers in them.

A) 10 cm long
B) half a metre long
C) 12 inches long

A) 100 centimetres long
B) 3 feet long
C) 1 metre long

A) 1250 yards long
B) 1760 yards long
C) 1800 yards long
D) 3000 yards long

A) 3 cm long
B) 1.5 cm long
C) 2.5 cm long
D) 2 cm long

A) 20 cm long
B) 35 cm long
C) 30 cm long
D) 10 cm long

A) Longer than a mile
B) Almost the same as a mile
C) Shorter than a mile

A) Centimetre, millimetre, metre, litre, gram
B) Millimietre, pound, gram, yard
C) Centimetre, yard, litre, pint
D) Centimetre, millimetre, foot, yard

A) 10
B) 5
C) 3
D) 12

A) Length
B) Capacity
C) Mass

A) Length
B) Mass
C) Capacity

A) 5 yards
B) 100 mm
C) 100 cm
D) 1000 cm

A) 6
B) 2
C) 4
D) 1

A) 0.5 kilograms
B) 2 kilograms
C) 4 kilograms
D) 6 kilograms

A) 5 inches
B) 2 inches
C) 1 inch
D) 12.5 inches

A) the same
B) longer
C) shorter

A) 100
B) 10, 000
C) 1, 000
D) 10

A) 10
B) 1000
C) 2
D) 100
E) 5

A) 10
B) 1000
C) 100
D) 10, 000

A) 21
B) 9
C) 27
D) 6
E) 3

A) Multiply them by 2
B) Divide them by 2.5
C) It's a trick question! Inches and centimetres are the same thing!
D) Multiply them by 2.5
E) Divide them by 2

A) Divide them by 1000
B) Divide them by 100
C) It's a trap! You can't change metres to kilometres!
D) Multiply them by 100
E) Multiply them by 1000

A) 24.5 kilometres
B) 245, 000 kilometres
C) 2.45 kilometres
D) 245 kilometres

A) 25 cm
B) 20.5 cm
C) 250 cm
D) 30 cm

A) drunk the same of both
B) drunk more orange juice
C) drunk more milk

A) Yards
B) Inches
C) Feet
D) Miles

A) 48
B) 36
C) 400
D) 40

A) 6
B) 9
C) 12
D) 3

A) 3500
B) 350
C) 3.5
D) three and a half

A) 15, 000
B) 150, 000
C) 150
D) 1, 500