Q 1: Work out the following and choose the correct answer.
66 67 68

Q 2: Work out the following and choose the correct answer.
42R6 40R6 42R6

Q 3: Work out the following and choose the correct answer.
33R4 33R7 23R4

Q 4: Work out the following and choose the correct answer.
110 120 111

Q 5: Work out the following and choose the correct answer.
111 123 222

Q 6: Work out the following and choose the correct answer.
181 180 100

Q 7: Work out the following and choose the correct answer.
14R2 14R6 12R2

Q 8: Work out the following and choose the correct answer.
45R5 42R2 45R1

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