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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
The general equation of a circle is
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Question # 2
How many arrangements of the letters of the word MI SSI PPI, taken all together can be made?
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Question # 3
π is ______
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A complex number
A rational number
A natural number
An irrational number
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Question # 4
The graph of y < 2 is the
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Left half plane
upper half plane
Right half plane
Lower half plane
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Question # 5
The vertex of the parabola (xsin a -ycos a)2 =4a(xcos a +ysin a) lies at
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(acos a,asin a)
(a,0)
(cos a,sin a)
(0,0)
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Question # 6
A box containing 10 mangoes out of which 4 are rotter. Two mangoes are taken together from the box. If one of them is found to be good, the probability that the other is also good is
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1 / 3
8 / 15
5 / 13
5 / 9
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Question # 7
Name the property used in 4 + 9 = 9 + 4
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Associative property of addition
Commutative property of addition
Distributive property
Additive identity
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Question # 8
The term involving x4 the expansion (3-2x)7 is
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217 x4
15120x4
313x4
-25x4
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Question # 9
sin 540° =
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0
1
2
3
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Question # 10
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An expression
Rational fraction
Equation
Identity
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Question # 11
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X = 100 sin
θ
X = 10 sin
θ
X = 100 sec
θ
None of these
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Question # 12
Period of sin x is
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Question # 13
Number of selections of n different things out of n
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1
nPr
n!
nPr
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Question # 14
The set {-1, 1} is closed under the binary operation of
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Addition
Multiplication
Subtraction
Division
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Question # 15
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I quadrant
II quadrant
III quadrant
IV quadrant
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Question # 16
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15/23
7/15
7/8
15/7
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Question # 17
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One-one but not onto
One-one and onto
Onto but not one-one
Neither one-one nor onto
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Question # 18
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Question # 19
The transport of a rectangular matrix is a
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Square matrix
Rectangular matrix
Row matrix
Column matrix
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Question # 20
If a parabola opens down, then its vertex is at the
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Right of the parabola
Left of parabola
Lowest point on the parabola
Highest point on the parabola
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Question # 21
The distance of the point (2.3) from x-axis is
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2
3
5
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Question # 22
(a,0) x (c, 0) =
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(0,ac)
(ac, 0)
(0,0)
(a, c)
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Question # 23
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Question # 24
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Principle of equality of fractions
Rule for product of fraction
Rule for quotient of fraction
Golden rule of fractions
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Question # 25
Which one represents a sequence
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an
Sn
a(n)
{an}
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Question # 26
The period of cos(7x-5) is
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π/7
7π/2
π/2
2π/7
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Question # 27
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None of these
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Question # 28
The unit vector along z-axis is
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none of these
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Question # 29
4
1+x
+ 4
1-x
= 10 is called
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Reciprocal equation
Exponential equation
Radical equation
None of these
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Question # 30
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Question # 31
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none of these
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