sInfoEra
Home
MCQs
Mathematics — Quiz
Mathematics MCQs Set-5
60 questions · Test your knowledge
Home
/
MCQs
/
Mathematics MCQs Set-5
1
Which of the following type of numbers are closed under only multiplication?
A
Rational Numbers
B
Integers
C
Whole Numbers
D
Natural Numbers
2
By using the properties of rational numbers solve the following equation (8 + 0) + (6 * 3).
A
26
B
24
C
28
D
0
3
Between any consecutive two integers, there are always infinite integers.
A
True
B
False
C
D
4
The maximum number of integers between two consecutive natural numbers is ________
A
zero
B
2
C
3
D
infinite
5
[….., -1, 0, 1, …….] the given set shows which type of numbers?
A
Rational numbers
B
Integers
C
Natural numbers
D
Whole numbers
6
An irrational number has ________
A
Non-terminating decimal
B
Non-repeating decimal
C
Non-terminating and non-repeating decimal
D
Terminating decimal
7
The product of a rational and an irrational number is rational number.
A
True
B
False
C
D
8
The product of two irrational numbers is an irrational number.
A
True
B
False
C
D
9
The sum of two rational numbers is a rational number.
A
False
B
True
C
D
10
The sum of two irrational numbers is a rational number.
A
False
B
True
C
D
11
Irrational numbers are denoted by _______
A
N
B
Z
C
Q
D
S
12
Real numbers are denoted by which letter?
A
R
B
W
C
Q
D
N
13
All irrational numbers are real numbers.
A
True
B
False
C
D
14
How many real numbers are there between 3 and 8 (Including 3 and 8)?
A
Six
B
Four
C
Infinite
D
Five
15
Every point on the number line represents a unique real number.
A
True
B
False
C
D
16
Which of the following option is correct according to the below statements? i) Every rational number is real number. ii) Every real number is rational number.
A
Both statements are correct
B
Statement (i) is correct and statement (ii) is incorrect
C
Statement (i) is incorrect and statement (ii) is correct
D
Both statements are incorrect
17
Summation or Subtraction of two non-zero rational numbers is a/an __________
A
natural number
B
whole number
C
rational Number
D
irrational number
18
If we multiply or divide two rational numbers, we get a/an __________
A
natural number
B
whole number
C
rational Number
D
irrational number
19
If we add or subtract an irrational number and a rational number (non-zero), then we get a/an __________ number.
A
natural
B
rational
C
irrational
D
rational or irrational
20
If we add or subtract two irrational numbers, we get __________ number.
A
natural
B
rational
C
irrational
D
rational or irrational
21
3 + 2–√ is a/an __________ number.
A
natural
B
irrational
C
rational
D
whole
22
π – π is __________ number.
A
natural
B
irrational
C
rational
D
negative
23
By simplifying (7–√+5–√)∗(7–√−5–√), we get __________
A
24
B
2
C
12
D
74
24
By simplifying (3–√+2–√)∗(3–√+2–√), we get __________
A
5 + 4√6
B
5 + 2√6
C
1
D
5
25
Summation or Subtraction of rational number and irrational number is always a/an __________ number.
A
natural
B
whole number
C
rational number
D
irrational number
26
Which of the following is Natural number?
A
3.5
B
7
C
0
D
-2
27
Integer numbers set is denoted by which letter?
A
N
B
W
C
Q
D
Z
28
Find the incorrect option (Assume conventional notations).
A
Q = p/q where p and q are integers and q=0
B
N = {1, 2, 3…}
C
W = {0, 1, 2, 3…}
D
Z = {…-2, -1, 0, 1, 2…}
29
Zero is a rational number.
A
False
B
True
C
D
30
There are _________ rational numbers between 2 and 3.
A
zero
B
two
C
infinite
D
data is insufficient
31
Which of the following option is true based on the below statements? i) All integers are rational numbers. ii) All rational numbers are integers.
A
Both statements are true
B
Statement (i) is true and Statement (ii) is false
C
Statement (i) is false and Statement (ii) is true
D
Both statements are false
32
Which of the following is not rational number?
A
8/9
B
5/7
C
-3/2
D
√2
33
How many whole numbers are there between -3 and 3 (Including -3 and 3)?
A
Four
B
Zero
C
Seven
D
Three
34
N is subset of W, Z and Q. (Assume conventional notations)
A
True
B
False
C
D
35
A sequence in which each term differs from its preceding term by a constant is called arithmetic progression.
A
True
B
False
C
D
36
If we add the terms of an AP, then we get a corresponding series.
A
True
B
False
C
D
37
Sequences which follow a definite pattern called progressions.
A
True
B
False
C
D
38
If the first term of an AP is a and its common difference is d then the nth term is given by Tn = a + (n – 1)d
A
True
B
False
C
D
39
Which term of the AP 2, 11, 20, 29…… is 290?
A
32
B
35
C
30
D
33
40
How many terms are there in the AP 9, 16, 23, 30……………282?
A
50
B
45
C
40
D
42
41
The middle term of the AP 11, 8, 5, … , -79 will be?
A
30
B
-34
C
34
D
-30
42
Which term of the AP 80, 76, 72, 68……. is the first negative term?
A
22
B
21
C
23
D
24
43
The sum of three numbers is 30 and their product 750. What are the three numbers?
A
-2, -6 and -10
B
2, 6, and 10
C
5, 10 and 15
D
-5, -10 and -15
44
Four numbers whose sum is 40 and sum of their squares is 480. What are the four numbers?
A
4, 8, 12, and -16
B
4, 8, 12, and 16
C
-4, 8, 12, and 16
D
4, -8, 12, and 16
45
The sum of 5 numbers in AP is 10 and their product is 80. What are the five numbers?
A
2 + 2√6, 2 + √6, 2, 2 – 2√6, 2 – √6
B
2 + 2√6, 2 + √6, 2 – 2√6, 2 – √6
C
2 + 2√6, 2 – √6, 2, 2 – 2√6, 2 – √6
D
2 + 2√6, 2, 2 – 2√6, 2 – √6
46
The sum of first 20 terms of the AP 10, 12, 14, 16, 18…. is _________
A
200
B
580
C
620
D
440
47
The sum of 50 + 100 + 150 + 200 + …….. + 1000 is _________
A
10000
B
14400
C
10500
D
12100
48
What will be the sum of all 3-digit even positive numbers?
A
247050
B
269450
C
269350
D
269580
49
The sum of all 2 – digit numbers divisible by 19 will be __________
A
345
B
245
C
275
D
285
50
What will be the sum of all natural numbers lying between 500 and 5000, which are divisible by 17?
A
567898
B
729810
C
765835
D
234526
51
If the sum of first n terms of an AP is given by Sn = 4n2 + 6, then its first term will be _________
A
4
B
3
C
5
D
1
52
How many terms of the AP 5,10,15,20….. must be added to get a sum of 330?
A
-11
B
-12
C
12
D
11
53
The sum of the first 10 terms of an AP is the same as the sum of its first 5 terms, then the sum of its 15th term will be _______
A
1
B
0
C
2
D
3
54
The sum of the first 12 terms of an AP is 15 and the sum of its first 15 terms is 12, then the sum of its first 27 terms will be __________
A
-24
B
24
C
27
D
-27
55
If set A={1,2,3,4} and B={3,4,5,6}. Find A-B.
A
{1,2,3,4,5,6}
B
{3,4}
C
{1,2}
D
{5,6}
56
If set A = {1,2,3,4} and B = {3,4,5,6}. Find B-A.
A
{1,2,3,4,5,6}
B
{3,4}
C
{1,2}
D
{5,6}
57
Does A-B=B-A always correct?
A
True
B
False
C
D
58
If A-B=B-A then A and B are ____________
A
equivalent sets
B
equal sets
C
disjoint sets
D
empty sets
59
A – B, A ∩ B and B – A are mutually disjoint sets or not.
A
True
B
False
C
D
60
If R is the set of real numbers and S is the set of rational numbers, then what is R – S?
A
Set of integers
B
Set of whole numbers
C
Set of irrational numbers
D
Set of complex numbers
Submit Quiz
Back to All Quizzes