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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
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Question # 2
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1
-1
5
2
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Question # 3
With usual notations b2 = a2 + c2 -2ac cos is called______;
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None of these
Law of sines
Law of consines
Law of tangents
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Question # 4
If 2x
1/3
+ 2x
-1/3
= 5, then x is equal to
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1 or -1
2 or 1/2
8 or 1/8
4 or 1/4
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Question # 5
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Question # 6
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A
A'
U
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Question # 7
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A
B
U
None of these
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Question # 8
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An expression
Rational fraction
Equation
Identity
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Question # 9
The order of the matrix A is 3 x 5 and that of B is 2 x 3.The order of the matrix BA is
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2 x 3
3 x 2
2 x 5
5 x 2
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Question # 10
The function f : x→ y defined as f (x) =α∀x∈ X,α∈ y is called
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Constant function
Polynomial function
Identity function
Linear function
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Question # 11
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The law of sines
The law of consines
The law of tangents
None of these
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Question # 12
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I and II quadrants
I and III quadrants
II and III quadrants
II and IV quadrants
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Question # 13
The set {1, -1, i, -i}
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Form a group w.r.t addition
Form a group w.r.t multiplication
Does not form a group w.r.t multiplication
Not closed under multiplication
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Question # 14
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Question # 15
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3
1
4
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Question # 16
The system of measurement in which the angle is measured in degrees, minutes and seconds is called the
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circular system
CGS system
sexagesimal system
none of these
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Question # 17
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Question # 18
Z is a
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Infinite set
Finite set
Singleton set
Set of all integers
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Question # 19
For n€ N,2
n>2
> n is to only when
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n<2
n≤ 4
n≥ 4
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Question # 20
w
4
= ______
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0
1
w
w
2
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Question # 21
If f(x) = x
3
- 2x
2
+ 4x -1 then f(0) is
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0
1
-1
none of these
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Question # 22
Every whole number is
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A real number
An irrational number
A prime number
A negative integer
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Question # 23
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Question # 24
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Question # 25
The complement of set A relative to universal set U is the set
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Question # 26
Through how many radians does the hour hand of a clock turn in one hour
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Question # 27
Area of the triangle whose vertices are (2,3),(0,1),(0,0) is
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6
2
4
1
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Question # 28
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Question # 29
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Question # 30
Which one is not defined∀n∈Z+
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-n!
n!
(-n)!
n!+0!=n!+1
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Question # 31
Tan 180° = ______
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-1
0
1
Undefined
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