Using Euclid's division lemma, any positive odd integer can be expressed in the form of (where q is some integer):
Anonymous Quiz
18%
4q or 4q + 2
55%
4q + 1 or 4q + 3
19%
4q only
9%
4q + 2 only
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The HCF of two numbers is 18 and their product is 12960. Their LCM will be:
Anonymous Quiz
14%
420
33%
600
47%
720
6%
800
If p = a²b³ and q = a³b, where a and b are prime numbers, then LCM(p, q) is:
Anonymous Quiz
9%
ab
24%
a²b²
57%
a³b³
10%
a⁵b⁴
The product of two co-prime numbers is 117. Their LCM should be:
Anonymous Quiz
19%
1
47%
117
24%
Cannot be determined
11%
Equal to their HCF
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The sum of a rational number and an irrational number is:
Anonymous Quiz
19%
Always rational
53%
Always irrational
21%
Can be rational or irrational
8%
Always an integer
👍2
The HCF of the smallest two-digit composite number and the smallest composite number is:
Anonymous Quiz
45%
2
30%
4
16%
10
8%
1
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