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ECAT Mathematics Online Test MCQs With Answers
Question # 1
The 6th term of an arithmetic sequence whose first term is 3 and common difference in zero is
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18
6
3
0
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Question # 2
u,v,wand u x (v.w) are
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Equal
Parallel
Additive immense of each other
Meaningless
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Question # 3
How many 3 digit numbers can be formed by using each one of the digit 2, 3, 5, 7, 9 only once?
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15
24
60
120
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Question # 4
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Question # 5
Tan(
α
-
β
)=
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Question # 6
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Question # 7
QUQ, =
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N
R
W
Z
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Question # 8
a >b ⇒a +c >b +c is known as
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Trichotomy property
Additive property of inequality
Transitive property
Multiplicative property
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Question # 9
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none of these
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Question # 10
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Question # 11
The number of terms in the expansion of (a + x)
12
is
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13
12
11
10
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Question # 12
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Biconditional
Implication
Antecedent
Hypothesis
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Question # 13
The distance of the point (2, -3) from x-axis is
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-2
-3
2
3
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Question # 14
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none of these
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Question # 15
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Rational
Irrational
Even
Odd
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Question # 16
r + 3 >5 then which is true
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r + 2 > 4
r + 2 < 4
r + 2 = 4
None
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Question # 17
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none of these
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Question # 18
The sum of an infinite geometric series exist if
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| r | < 1
| r | > 1
r = 1
r = -1
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Question # 19
The function {f(x,y)|y = ax2 +bx +c} is
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One-one function
Constant function
Onto function
Quadratic function
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Question # 20
The conic ax2+2hxy+by2+2gx+2fy+c= 0 never represent a circle if
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a≠ b,h≠0
a=b
h≠0
h=0
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Question # 21
The matrix A = [aij]mxn with m ≠n is always
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Symmetric
Hermition
Skew-symmetric
None
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Question # 22
The remove the term involving xy, from 7x2 -6√3xy+ 13y2 -16 =0 the angel of rotation is
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θ = 30°
θ = 45°
θ = 60°
θ = 75°
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Question # 23
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0
1
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Question # 24
The set {x +iy / x, y ∈ Q} forms a group under the binary operation of
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Addition
Multiplication
Division
Both addition and multiplication
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Question # 25
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From an empty set
1
2
>2
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Question # 26
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none of these
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Question # 27
A matrix with a single column is called
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Column matrix
Row matrix
Identity matrix
Null matrix
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Question # 28
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0
1
13
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Question # 29
sin h x = ___________
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Question # 30
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Question # 31
In set builder notation the set {0,1,2,........100} can be written as
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{x / xε B ∧ x ≤ 100}
{x / x ∈ W ∧ x < 101}
{x / x ∈ Z ∧ x < 101}
The set of first 100 whole numbers
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