Q 1: Work out the following and choose the correct answer.
45R5 42R2 45R1

Q 2: Work out the following and choose the correct answer.
111 120 110

Q 3: Work out the following and choose the correct answer.
23 233 203

Q 4: Work out the following and choose the correct answer.
42R6 42R6 40R6

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

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

Q 7: Work out the following and choose the correct answer.
33R4 33R7 23R4

Q 8: Work out the following and choose the correct answer.
67 66 68

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