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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
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Question # 2
If uv= Projuv then
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Uandvare parallel
vis a unit vector
Uis a unit vector
Both b and c
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Question # 3
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Question # 4
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Question # 5
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Question # 6
The projections of a line segment on x, y, z axes are 12, 4, 3. The length and the direction cosines of the line segment are
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Question # 7
Period of cosec x is ______
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Question # 8
A card is drawn from a pack of cards numbered 1 to 52, the probability that the number on the card is a perfect square is
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1/13
2/13
7/52
None of these
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Question # 9
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Question # 10
The equation of the circle with centre origin and radius r is
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x
2
+ y
2
= 1
x
2
+ y
2
= r
2
x
2
+ y
2
= 0
x
2
- y
2
= r
2
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Question # 11
The symbol of irrational is
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W
N
Q
Q'
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Question # 12
In natural logarithm the base is
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1
0
10
e
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Question # 13
A,G,H are in
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A.P
G.P
H.P
None of these
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Question # 14
Which of the following is a scalar
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weight
force
speed
momentum
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Question # 15
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Question # 16
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A
B
U
None of these
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Question # 17
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A = B
B = C
A = C
None of these
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Question # 18
cos h
2
x + sin h
2
x
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an even function
an odd function
an even and implicit function
neither even nor a odd
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Question # 19
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Question # 20
The conic is a parabola if
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e < 1
e > 1
e = 1
None of these
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Question # 21
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Question # 22
If f(x) = -x
2
then f(-2) is
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-2
2
-4
4
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Question # 23
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Question # 24
The set of all positive even integers is
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Not a group
A group w.r.t. subtraction
A group w.r.t. division
A group w.r.t. multiplication
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Question # 25
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Question # 26
The additive inverse of 0 is
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1
-1
0
Does not exist
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Question # 27
0 (zero) is
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An irrational number
A rational number
A negative integer
A positive number
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Question # 28
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Question # 29
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Commutative law of addition
Associative law of addition
Additive identity
Additive inverse
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Question # 30
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a cos(ax + b) + c
- a cos(ax + b) + c
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Question # 31
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A is proper subset of B
A is an improper subset of B
A is equivalent to B
B is subset of A
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