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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
The velocity and acceleration at any point t of a particle which moves along straight line x = 5r-3
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5,3
5,-3
5,0
10,0
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Question # 2
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Question # 3
The total cost of 2 apples and 3 oranges is $1.70, which of the following is true
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The cost of one apple
The cost of one orange
Both have equal cost per item
Cost of each single item can not be determined
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Question # 4
If A and B are two matrices such that AB = B and BA =A, then A
2
+ B
2
=
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2 AB
2 BA
A + B
AB
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Question # 5
120° degrees are equal to how many radians?
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Question # 6
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Question # 7
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An upper triangular matrix
A lower triangular matrix
A diagonal matrix
A null matrix
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Question # 8
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Question # 9
Area of the circle with ends of a diameter at (-3,2) and (5,-6)
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128π sq. units
64π sq. units
32π sq.units
None of these
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Question # 10
Every prime number is also
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Rational number
Even number
Irrational number
Multiple of two numbers
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Question # 11
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Question # 12
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Question # 13
Range of y = sec x is
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-1≤ y≤ 1
y≥ 1 or y≤ -1
y≤ 1or y≥ -1
-∞ < y < +∞
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Question # 14
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A natural number
A rational number
An irrational number
A whole number
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Question # 15
The value of cos(cos-1 1/2) is
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1/2
√3/2
-1/2
1/√2
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Question # 16
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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 # 17
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Question # 18
The graph of a linear function is
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a circle
triangle
a straight line
none of these
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Question # 19
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Question # 20
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Question # 21
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36
360
24
6
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Question # 22
The line 2x +√6y =2 is a tangent to the curve x2 -2y2 =4 The point of contact is
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(√6,1)
(2,3)
(7,-2√6)
(4,-√6)
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Question # 23
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Question # 24
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Question # 25
The tangents drawn from the point P to a circle are real and distinct if
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P is on the circle
P is inside the circle
P is outside the circle
none of these
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Question # 26
If a,β are the roots of ax2+bx+c=0,the equation whose roots are doubled is
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ay2 +2by+c=0
ay2+2by+4c=0
ay2+2by+c=0
ay2+by+4c=0
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Question # 27
The numbers of G
1
, G
2
, G
3
...... G
n
are called n geometric means between a and b is a, G
1
, G
2,
G
3
, ... G
n
, b are in
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H.P.
A.P.
G.P.
None of these
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Question # 28
Range of 2 tan x is ______
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[-2, 2]
-1 < x < 1
R
None of these
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Question # 29
A function whose domain is a subset of natural numbers is called ______
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Identity function
Sequence
Onto function
Series
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Question # 30
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trigonometric equation
conditional equation
identity
None
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