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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
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Rational
Irrational
Non-real
Zero
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Question # 2
The law of sines can be used to solve oblique triangle when following information is given:
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Two angles and a side
Two sides and an angle opposite one of the given sides
Two sides and the angle between two sided
Option a and b
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Question # 3
The area of the rhombus whose vertices are A(0,0),B(2,1),C(3,3),D(1,2) is
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36 square units
3 square units
6 square units
18 square units
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Question # 4
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Question # 5
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Question # 6
sec (-360°) = ______
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0
1
2
3
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Question # 7
Cycle tyres are supplied in lots of 10 and there is a chance if 1 in 500 tyres to be defective. Using Poisson distribution, the approximate number of lots containing no defective tyre in a consignment of 10, 0000 lots is
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9028
9208
9802
9820
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Question # 8
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x
y
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Question # 9
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Question # 10
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0
-2
1
4
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Question # 11
If 0 = {1,3,5.......}, then n (0) =
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99
odd integers
Even numbers
Infinite
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Question # 12
If B-A≠φ , then n(B-A) is equal to
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n(a)+n(c)
n(c)-n(a)
n(a)-n(c)
None of these
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Question # 13
An A.P., a G.P. and a H.P. have the same first and last terms and the same odd numbers of terms, the middle terms of the three series are in
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A.P.
G.P.
H.P.
None of these
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Question # 14
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Question # 15
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A
A'
U
None of these
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Question # 16
The geometrical representation of a linear function is
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Circle
Parabola
Straight lie
None of these
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Question # 17
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1
0
5
2
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Question # 18
The equation of the normal to the circle x
2
+ y
2
= 25 at (4, 3) is
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3x - 4y =0
3x - 4y =5
4x + 3y = 5
4x + 3y = 25
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Question # 19
If A, G, H are the arithmetic, geometric and harmonic means between a and b respectively then A, G, H are in
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A. P.
G. P.
H. P.
None of these
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Question # 20
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Question # 21
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range of f
domain of f
both (a) and (b)
none of these
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Question # 22
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0
-1
1
2
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Question # 23
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Question # 24
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Question # 25
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I quadrant
II quadrant
III quadrant
IV quadrant
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Question # 26
Roots of the equation x
2
+ 5x - 1 = 0 are
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Rational
Irrational
Complex
None of these
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Question # 27
The distance of the point (a,b) from y-axis is
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a
b
a + b
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Question # 28
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Question # 29
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Question # 30
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30°
45°
60°
120°
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Question # 31
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Diagonal matrix
Scalar matrix
Triangular matrix
Identity matrix
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