Numbo the maths kitten
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Mock Exam 1: Real Numbers Review
8
questions
✓
Choose the best answer
1
In Euclid's Division Lemma a = bq + r, what must be true of the remainder r?
🔊
A
0 ≤ r < b
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B
r < 0
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2
Using Euclid's Algorithm, what is the HCF of 96 and 72?
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A
24
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B
18
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3
140 factorised into primes is what?
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A
2² × 5 × 7
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B
2³ × 5 × 7
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4
The HCF of 12 and 18 is what?
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A
6
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B
9
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5
The LCM of 12 and 18 is what?
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A
36
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B
18
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6
Which of these is an irrational number?
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A
√2
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B
9
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7
A rational number's decimal expansion is what kind?
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A
Terminating or repeating
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B
Non-terminating and non-repeating
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8
HCF × LCM of two numbers equals what?
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A
The product of the two numbers
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B
The difference of the two numbers
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