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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
Out of 10, 000 families with 4 children each, the number of families all of whose children are daughters is
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375
500
625
150
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Question # 2
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Question # 3
the largest degree of the terms in the polynomials is called
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terms of the polynomial
degree of a polynomial
co-efficient
monomial
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Question # 4
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Question # 5
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Question # 6
The point which is closet to the focus of a parabola is:
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vertex
Chord
Focus
Directix
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Question # 7
Every real number is
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a positive integer
a rational number
a negative integer
a complex number
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Question # 8
(7,9) +(3,-5) =
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(4,4)
(10,4)
(9,-5)
(7,3)
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Question # 9
Decimal part of irrational number is
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Terminating
Repeating only
Neither repeating nor terminating
Repeating and terminating
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Question # 10
The exact value of cos-1 (0) is
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π/2
-π/2
3π
π-π/6
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Question # 11
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Question # 12
How many arrangements of the letters of the word ADDING can be made
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Question # 13
The projections of a line segment on x, y, z axes are 12, 4, 3. The length and the direction cosines of the line segment are
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Question # 14
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(1, 3)
(-1, -3)
(1, -3)
(-1, 3)
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Question # 15
The set {x|x∈N∧x-4=0} in tabular form is
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{-4}
{0}
{}
None of these
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Question # 16
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9/4
4/9
1
None of these
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Question # 17
The set of integers is a subset of
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The set of natural numbers
The set of whole numbers
The set of prime numbers
The set of rational numbers
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Question # 18
if a
1
=3, d=7 and a
n
=59 , then the number of terms in A.P is
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7
9
11
13
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Question # 19
Let S
n
denote the sum of the first n terms of an A.P. If S
2n
= 3 S
n
: S
n
is equal to
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4
6
8
10
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Question # 20
A point (x,y) which satisfy a linear inequality in two variables form its
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Solution
Domain
Range
None
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Question # 21
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Question # 22
The distance between the points (0,0) and (x,y) is
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x
2
+ y
2
x
y
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Question # 23
A and B be two square matrices and if their inverse exist, the (AB)
-1
=
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A
-1
B
-1
AB
-1
A
-1
B
B
-1
A
-1
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Question # 24
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0
1
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Question # 25
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2x + 3
x
2
+ 3 + c
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Question # 26
If a polynomial P(x) is divided by x - a, then the remainder is
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P(o)
P(-a)
P(a)
None of these
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Question # 27
The corner point of the boundary lines, x-2y
2x + y = 2 is:
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(2,6)
(6,2)
(-2,2)
(2,-2)
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Question # 28
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Question # 29
If a set S contains "n" elements then P (S) has ...... number of elements
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2
n
2
2n
2 . n
n
2
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Question # 30
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Question # 31
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At
-A
A
A-1
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