More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
Mathematics ECAT Pre Engineering Chapter 1 Number System Online Test MCQs With Answers
Question # 1
Choose an answer
1
-1
Previous
Skip
Next
Question # 2
Choose an answer
Previous
Skip
Next
Question # 3
If 4 > b or a < b than a = b is a
Choose an answer
Additive property
Transitive property
Trichotomy property of inequality
None of above
Previous
Skip
Next
Question # 4
Choose an answer
A rational number
A natural number
An irrational number
An integer
Previous
Skip
Next
Question # 5
1.4142135... is ______
Choose an answer
A natural number
A rational number
A prime number
An irrational number
Previous
Skip
Next
Question # 6
O is ______
Choose an answer
A positive integer
A negative integer
A natural number
An integer
Previous
Skip
Next
Question # 7
Choose an answer
1
-1
Previous
Skip
Next
Question # 8
For any real numbers x,y,xy=o ⇒
Choose an answer
x ≠ 0 ∧ y ≠ 0
x = 0 ∨ y = 0
x = 0
y = 0
Previous
Skip
Next
Question # 9
Every irrational number is
Choose an answer
A real number
A prime number
A natural number
An integer
Previous
Skip
Next
Question # 10
Choose an answer
Previous
Skip
Next
Question # 11
√11 is
Choose an answer
an irrational number
Rational number
odd number
Negative number
Previous
Skip
Next
Question # 12
In R the left cancellation property w.r.t addition is
Choose an answer
Previous
Skip
Next
Question # 13
The multiplicative inverse of 0 is
Choose an answer
1
-1
0
Does not exist
Previous
Skip
Next
Question # 14
Geometrically the modulus of a complex number represents its distance from the
Choose an answer
Point (1,0)
Point (0,1)
Point (1,1)
Point (0,0)
Previous
Skip
Next
Question # 15
The value of x, and y, when (x + iy)
2
= 5 + 4i
Choose an answer
X = 2, y = 1
X = -2, y = 1
X = 2, y = -1
X = 2, y = 2
Previous
Skip
Next
Question # 16
i
2
=
Choose an answer
1
2
-1
0
Previous
Skip
Next
Question # 17
14 is not a
Choose an answer
Prime number
Whole number
Even number
Real number
Previous
Skip
Next
Question # 18
Choose an answer
Previous
Skip
Next
Question # 19
Choose an answer
Principle of equality of fractions
Rule for product of fraction
Rule for quotient of fraction
Previous
Skip
Next
Question # 20
∀x,y∈R and x> 0 , y>0, if x > y
Choose an answer
None of these
Previous
Skip
Next
Question # 21
Choose an answer
Previous
Skip
Next
Question # 22
Choose an answer
Previous
Skip
Next
Question # 23
The set {0,-1} hold closure property under
Choose an answer
Addition
Both a & c
Multiplication
None of these
Previous
Skip
Next
Question # 24
Every natural number is
Choose an answer
A prime number
An irrational number
An integer
An even number
Previous
Skip
Next
Question # 25
What is the conjugate of -7 -2i?
Choose an answer
-7 + 2i
7 + 2i
7 -2i
None of these
Previous
Skip
Next
Question # 26
√2 +√3 +√5) = (√2 +√3 +√5: this property is called
Choose an answer
associative property w.r.t addition
commutative property
Closure property w.r.t addition
Additive identity
Previous
Skip
Next
Question # 27
24 can be written as a product of
Choose an answer
Odd factors
Even factors
Whole factors
Prime factors
Previous
Skip
Next
Question # 28
The conjugate of √5
i
is
Choose an answer
√5
-√5 i
i
5i
Previous
Skip
Next
Question # 29
Choose an answer
Symmetric property
Cancellation property w.r.t. multiplication
Reflexive property
Transitive property
Previous
Skip
Next
Question # 30
∀a,b,c∈R, a >b ∧ b>c ⇒ a >c is
Choose an answer
Trichotomy property
Transitive property
Symmetric property
Additive property
Previous
Skip
Next
Question # 31
√x = ______ if is a prime number
Choose an answer
Rational no
Natural no
Irrational no
Complex no
Previous
Skip
Next
Back