A) Four and seventy one billion, two and four million, three hundred and seventy two
B) Four hundred and seventy one billion, two million, four thousand, three hundred and seventy two
C) Four hundred and seventy one billion, two hundred million, four hundred thousand, three hundred and seventy two
D) Four seven one, two thousand, four thousand, three seven one

A) 0.00006
B) 0.0006
C) 0.006
D) 0.06

A) 1, 2, 3, 5, 7, 12
B) 1, 2, 3, 6, 9, 12
C) 1, 3, 4, 5, 8, 12
D) 1, 2, 3, 4, 6, 12

A) 0.00072
B) 0.072
C) 0.0072
D) 0.72

A) 2, 3, 7
B) 2, 3, 5
C) 2, 5, 7
D) 3, 5, 7

A) 2 x 2 x 3 x 3 x 5 x 5
B) 2 x 2 x 2 x 3 x 3 x 5
C) 2 x 3 x 3 x 3 x 3 x 3
D) 2 x 3 x 3 x 5 x 5 x 5 x 5

A) 6, 12, 36
B) 6, 12, 18
C) 18, 24, 30
D) 12, 30, 48,

A) 7
B) 4
C) 9
D) 8

A) 18
B) 42
C) 72
D) 24

A) 3²/⁸
B) 2²/⁸
C) 2⅜
D) 1¹¹/⁸

A) 5/20, 6/8, 10/50
B) 3/9, 4/12, 5/15
C) 3/9, 3/6, 5/15
D) 3/9, 6/18, 5/10

A) 5/15
B) 3/4
C) 1/3
D) 15/45

A) 2/8, 7/12, 3/4, 5/6
B) 7/12, 5/6, 2/8, 3/4
C) 5/6, 3/4, 7/12, 2/8
D) 2/8, 3/4, 5/6, 7/12

A) 100%
B) 0.1 %
C) 1%
D) 10%

A) 1/4
B) 1/20
C) 3/2
D) 2/5

A) 2
B) 6/5
C) 25/4
D) 2/3

A) 3/2
B) 35/3
C) 12/5
D) 2/3

A) 1dm
B) 1cm
C) 1m
D) 1km

A) 9/4
B) 7/12
C) 17/12
D) 1/12

A) 15/2
B) 5/6
C) 9
D) 4/3