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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
Number of lines passing through three non-collinear points is
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2
3
1
0
∞
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Question # 2
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Question # 3
f(x) = x
3
is:
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an odd function
an even function
an implicit function
a quadratic funtion
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Question # 4
The law of sines can be used to solve
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Right angle triangle
Isosceles triangle
oblique triangle
haxagon
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Question # 5
The position vector of the point P(a, b, c) is
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Question # 6
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1
0
-1
2
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Question # 7
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1, 2, 3
1, 5, 9
2, 5, 8
3, 6, 9
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Question # 8
The set { {a,b} } is
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Infinite set
Singleton set
Two points set
Empty set
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Question # 9
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Question # 10
Multiplicative inverse of "1" is
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0
-1
1
{0, 1}
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Question # 11
The general solution of tan 3x = 1 is
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Question # 12
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Question # 13
The general term of a sequence is denoted by
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a
1
a
n
n
s
n
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Question # 14
The set of natural no. is closed under
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multiplication
subtraction
difference
division
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Question # 15
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Question # 16
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Question # 17
The symbol ______ shall be used both for equation and identity
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Question # 18
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xy
y
0
x
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Question # 19
If P is a proposition then its negative is denoted by
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Question # 20
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The law of consines
The law of sines
The law of tangents
None of these
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Question # 21
The equations of the line thro' the point (2, 3, -5) and equally inclined to the axis are
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Question # 22
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Question # 23
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Question # 24
The distance of the point (-2 , -3) from y-axis is
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2
-2
3
-3
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Question # 25
The general value of
θ
satisfying the equation 2 sin
2
θ
- 3 sin
θ
-2 = 0 is
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Question # 26
The symbol of irrational is
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W
N
Q
Q
'
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Question # 27
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Question # 28
The decimal fraction in which we have finite number of digits in its decimal part is called.
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recurring decimal fraction
Non terminating faction
Non recurring fraction
terminating decimal fraction
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Question # 29
The direction cosines of y-axis are
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1, 0, 0
0, 1, 0
0, 0, 1
1, 1, 1
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Question # 30
A function whose range is just one element is called
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One-one function
Constant function
Onto function
Identity function
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Question # 31
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