Chapter 1 : Real Numbers
1 / 50
The decimal expansion of 17/20 is
2 / 50
The prime factorization of 72 is
3 / 50
Which of the following numbers is composite?
4 / 50
The decimal expansion of 1/3 is
5 / 50
The HCF of 54 and 90 is
6 / 50
Which of the following is an irrational number?
7 / 50
The LCM of 6 and 8 is
8 / 50
The decimal expansion of 9/125 is
9 / 50
Which number is a rational number?
10 / 50
The HCF of 64 and 96 is
11 / 50
Which of the following fractions has non-terminating recurring decimal expansion?
12 / 50
The prime factorization of 84 is
13 / 50
The decimal expansion of 11/25 is
14 / 50
Which of the following is not irrational?
15 / 50
The HCF of 27 and 36 is
16 / 50
Which of the following is a terminating decimal?
17 / 50
The LCM of 9 and 12 is
18 / 50
Which of the following numbers is prime?
19 / 50
The decimal expansion of 3/40 is
20 / 50
The HCF of 30 and 42 is
21 / 50
Which number is irrational?
22 / 50
The product of HCF and LCM of two numbers is equal to
23 / 50
The LCM of 8 and 14 is
24 / 50
The decimal expansion of 2/11 is
25 / 50
Which of the following is a composite number?
26 / 50
The HCF of 72 and 120 is
27 / 50
The decimal expansion of 5/16 is
28 / 50
The prime factorization of 100 is
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30 / 50
If a number ends with 0, then it is divisible by
31 / 50
The decimal expansion of 13/125 is
32 / 50
Which of the following is not a real number?
33 / 50
The HCF of 45 and 75 is
34 / 50
The smallest composite number is
35 / 50
The decimal expansion of √5 is
36 / 50
A number which cannot be written in p/q form is called
37 / 50
Which of the following has a terminating decimal expansion?
38 / 50
The HCF of 16 and 24 is
39 / 50
The LCM of two coprime numbers is
40 / 50
Which of the following is a rational number?
41 / 50
The decimal expansion of 7/20 is
42 / 50
The HCF of two coprime numbers is
43 / 50
Which number is a prime number?
44 / 50
The prime factorization of 36 is
45 / 50
The product of two irrational numbers is always
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Which of the following is irrational?
47 / 50
The decimal expansion of 1/8 is
48 / 50
Euclid’s division algorithm is based on
49 / 50
The LCM of 12 and 15 is
50 / 50
The HCF of 18 and 24 is
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