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ECAT Mathematics Online Test MCQs With Answers
Question # 1
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 # 2
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Question # 3
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Question # 4
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 # 5
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Question # 6
Which of the following is skew symmetric matrix
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Question # 7
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Question # 8
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Question # 9
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I quadrant
II quadrant
III quadrant
IV quadrant
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Question # 10
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none of these
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Question # 11
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The law of consines
The law of sines
The law of tangents
None of these
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Question # 12
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Question # 13
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Question # 14
If 5,7 and 9 are A.Ms between a and b, then a and b is equal to
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2 and 12
1 and 10
3 and 11
-7 and 2
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Question # 15
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Question # 16
The roots of the equations will be equal if b
2
- 4ac is
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Positive
Negative
1
Zero
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Question # 17
All letters of the word "AGAIN" are permuted in all possible ways and the words so formed (with or without meaning) are written as in dictionary, then the 50th word is
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NAAGI
NAAIG
IAANG
INAGA
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Question # 18
The number of terms in the expansion of (a + b)
9
is
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10
11
9
12
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Question # 19
The straight lines represented by the equation ax2+ 2hxy +by2 =0 intersects at
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(1,1)
(0,1)
(1,0)
(0,0)
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Question # 20
A Geometric Series is divergent only if
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|r|>1
|r|≥1
|r|=1
None of these
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Question # 21
The set (Q, .)
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Forms a group
Does not form a group
Contains no additive identity
Contains no additive inverse
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Question # 22
∀a,b, c ε R ac = bc ⇒ a = b, c ≠ 0 is a
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Symmetric property
Cancellation property w.r.t multiplication
Reflexive property
Transitive property
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Question # 23
If (2, 3) is the mid point of (a, 3) and (5, b) then
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a = 1 , b = -3
a = -1 , b = 3
a = 1 , b =3
a = -1 , b = -3
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Question # 24
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Question # 25
If nis positive integers, then 2
n
>2n+1, only when
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n≤ 3
n≥ 3
n≤ 2
n≤ 1
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Question # 26
The range of y = cot x = ______
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-
∞
> y > +
∞
-
∞
> x > +
∞
-
∞ <
y < +
∞
None of above
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Question # 27
Roots of the equation 9x
2
- 12x + 4 = 0 are
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Real and equal
Real and distinct
Complex
None of these
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Question # 28
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0
1
2
3
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Question # 29
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 # 30
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Question # 31
The set of ordered pairs (x,y) such that ax+ by < c, and (x,y) such that ax + by>0, are called
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Linear Inequalities
Feasible regions
Half planes
Boundary
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