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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
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Principle of equality of fractions
Rule for product of fractions
Golden rule of fractions
Rule for quotient of fractions
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Question # 2
The set of complex numbers forms
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Commutative group w.r.t addition
Commutative group w.r.t multiplication
Commutative group w.r.t division
Non commutative group w.r.t addition
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Question # 3
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a
x
a
x
In a
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Question # 4
A sequence is a functions whose domain is a subset of the set of
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Natural numbers
Real numbers
Whole numbers
Rational numbers
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Question # 5
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0
1
-1
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Question # 6
If d
1
is the distance between (0,0) and (1,2) and d
2
is the distance between (0,0) and (2,1) then
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d
1
= d
2
d
1
<d
2
d
1>
d
2
none of these
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Question # 7
Domain of cos x is ______
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Question # 8
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360°
180°
90°
None of these
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Question # 9
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Question # 10
Area of
Δ
ABC=
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ab sin
α
1/2 ab sin
α
1/2 ac sin
γ
1/2 ac sin
β
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Question # 11
If A∩B=B, then n(A∩B) is equal to
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n(a)
n(a)+n(c)
n(c)
None of these
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Question # 12
Each point of the feasible region is called
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Solution
feasible solution
Both a & b
None
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Question # 13
Domain of tan x is ______
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Question # 14
graph of sine function is bounded between lines
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y± 1 = 0
x± 1 = 0
x± y - 0
None of these
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Question # 15
{x|x∈R∧x≠x} is a
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Infinite set
Null set
Finite set
None of these
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Question # 16
A sequence having no last term is called
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arithmetic sequence
Geometric sequence
Finite sequence
Infinite sequence
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Question # 17
If f(x) = x
2
-x then f(0) is
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0
1
2
3
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Question # 18
Composition of functions is
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Non-commutative (fg ≠ gf)
non-associative [8(fh) ≠(8f)h]
Commutative (fg = gf)
f of-1≠ 1
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Question # 19
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tan 3x + c
cot 3x + c
- cot 3x + c
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Question # 20
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Question # 21
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none of these
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Question # 22
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R
2R
r
2r
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Question # 23
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Question # 24
sin(π/2+θ) = _______;
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sinθ
cosθ
-sinθ
-cosθ
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Question # 25
Which of the following integrals can be evaluated
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Question # 26
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Question # 27
How many arrangements of the letters of the word MI SSI PPI, taken all together can be made?
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Question # 28
The exponent of x in 10th term in the expansion of (a+x)n
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10
12
11
9
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Question # 29
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none of these
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Question # 30
The sum of first n even number is
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n2
n(n+1)
n+1
n+2
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Question # 31
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