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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
Choose an answer
0
1
2
3
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Question # 2
Domain of 1+cot2θ=csc2θ is
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[0,π]
R-{x/x=nπ,n∈ z}
(-∞,+∞)
[-1,1]
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Question # 3
√2 +√3 +√5) = (√2 +√3 +√5: this property is called
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associative property w.r.t addition
commutative property
Closure property w.r.t addition
Additive identity
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Question # 4
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Question # 5
The negation of a number
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a relation
a function
unary operation
binary operation
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Question # 6
The set which has no proper subset is
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{0}
{}
{∅}
None of these
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Question # 7
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Question # 8
The element range of sequence are called
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Series
progression
Members
Terms
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Question # 9
If the exponent in the binomial expansion is 6, then the middle term is
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2nd
3rd
4th
5th
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Question # 10
The range of y = cot x = ______
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-
∞
> y > +
∞
-
∞
> x > +
∞
-
∞ <
y < +
∞
None of above
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Question # 11
If (0,4) and (0,2) are vertex and focus of the parabola respectively, the the equation of the parabola is:
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x
2
= 4y -32
x
2
=8y -32
y
3
= 16 x
x2 + 8y =32
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Question # 12
For a positive integer n
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n! = n(n + 1)
n! = n(n+1)!
n! = n(n - 1 )
n! = n(n - 1)!
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Question # 13
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Question # 14
Three dice are thrown together. The probability of getting a total of at least 6 is
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103 / 108
10 / 216
93 / 108
None of these
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Question # 15
If z = (x,y) , then z ̅ =
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(-x,y)
(x,-y)
(-x, -y)
None of these
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Question # 16
(a-1)-1 =
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a-1
a
-a
None of above
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Question # 17
Range of 3 sin x is ______
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[ -3, 3]
[-1, 1]
R
None of these
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Question # 18
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Closure law of addition
Associative law of addition
Additive inverse
Additive identity
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Question # 19
∛8.6 is approximately equal to
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2.488
2.48
2.0488
2.05
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Question # 20
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Question # 21
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Question # 22
The sum of even coefficient in the binomial expansion is
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2
n+1
2
n
2
n-1
2n
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Question # 23
For an A.P common difference d
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Can be zero
May or may not zero
Cannot be zero
None of these
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Question # 24
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Question # 25
(A∪B)∪C= --------------------------
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A∩B(B∪C)
A∪(B∪C)
A∪(B∩C)
None of these
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Question # 26
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Question # 27
Tan(
α
-
β
)=
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Question # 28
5th term of a G.P. is 2, then the product of first 9 terms is
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256
128
512
None of these
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Question # 29
sin2 π/6 + sin2 π/3 + tan2 π/4 =______;
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1
2
3
4
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Question # 30
The periods of the function f(x) = x[x] is
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1
2
Non periodic
None of these
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Question # 31
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A
B
U
None of these
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