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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
Range of cos x is ______
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[-1, 1]
R
Negative real numbers
R - { x | - 1 < x < 1}
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Question # 2
Probability of an impossible event is
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0
-1
1
∞
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Question # 3
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Rational
Irrational
Even
Odd
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Question # 4
E-radius corresponding to < C is
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Question # 5
(2 + w) (2 + w
2
) = ______
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1
2
3
0
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Question # 6
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Question # 7
0 is a symbol of
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singleton set
Empty set
Equivalent set
Infinite set
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Question # 8
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c = 0
c = -1
c = -2
c = 1
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Question # 9
If Sn is a definite number as n → ∞,then the geometric series is
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Convergent
Divergent
Oscillatroy
None of these
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Question # 10
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Question # 11
Which of the following is the definition of singleton
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The objects in a set
A set having no element
A set having no subset
None of these
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Question # 12
w
-1
= ______
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0
1
w
w
2
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Question # 13
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none of these
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Question # 14
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Question # 15
If a polynomial p(x) is divided by x-c, then the remainder is
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p(x)
x-c
c
P(c)
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Question # 16
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Question # 17
If n is any positive integer then n! > 2
n-1
for
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Question # 18
Digit in the unit place of the number 183! + 3
183
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7
6
3
0
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Question # 19
The third term of the sequence a
n
= (-1)
n-1
(n-7) is ______
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8
4
-4
8
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Question # 20
No term of a geometric sequence can be
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0
1
2
3
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Question # 21
Every term of a G.P. is positive and also every term is the sum of two preceding terms. Then the common ratio of the G.P. is
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Question # 22
A circle passing through the vertices of any triangle is called
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Circumcirle
Incircle
Escribed circle
Unit circle
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Question # 23
If A and B are two sets then intersection of A and B is denoted by
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Question # 24
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n
C
r
n+1
C
r+1
n
C
r+1
None
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Question # 25
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all are correct
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Question # 26
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Question # 27
If the sum of co-efficient in the expansion of (a+b)
n
is 4096, then the greatest co-efficient in the expansion is
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1594
792
924
2924
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Question # 28
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Question # 29
The transpose of a column matrix is a ______
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Zero matrix
Diagonal matrix
Column matrix
Row matrix
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Question # 30
Maximum value of z =15x +20y subject to 3x+ 4y≤ 12,x,y≥ 0 is given by
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46
60
50
70
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Question # 31
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A
A'
U
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