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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
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Symmetric property
Cancellation property w.r.t. multiplication
Reflexive property
Transitive property
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Question # 2
Two circles x2 +y2 +8x -9= 0 and x2+y2+6y +k =0 touchinternallyif the value of k is
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k = 9
k = ±9
k=-9
k=11
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Question # 3
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Question # 4
In set builder notation the set {0, 1, 2, ............, 100} can be written as
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Question # 5
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Question # 6
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(1,7/3)
(1, 7/5)
(1, 11/7)
(1, 3/5)
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Question # 7
A triangle has ____ elements
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3
4
5
6
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Question # 8
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2C
C
3
1
0
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Question # 9
Which of the following is a quadrantal angle
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100°
200°
170°
270°
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Question # 10
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Question # 11
If G is a G.M between a and b then a,G,b are in
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A.P
H.P
G.P
None of these
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Question # 12
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Question # 13
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-cosec
2
x
-sec
2
x
- cosec x cot x
cosec x
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Question # 14
If 2x
1/3
+ 2x
-1/3
= 5, then x is equal to
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1 or -1
2 or 1/2
8 or 1/8
4 or 1/4
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Question # 15
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Orthogonal
Involutary
Idempotent
Nilpotent
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Question # 16
Which of the following integrals can be evaluated
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Question # 17
(a +b
i
) -c (c +d
i
) =
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(a +b) = (c +d)
(a +c) + i(b +d)
(a -c) + (c -d)
i
(a -c) +(b -d)
i
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Question # 18
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6
360
120
24
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Question # 19
The fifteenth term of (3-a)
15
is
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-17a
12
-945a
13
-941a
13
-515a
12
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Question # 20
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Question # 21
The graph of y> 0 is the upper - half of:
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y-axis
x-axis
1st and 4th quandrant
2nd and 3rd quadrant
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Question # 22
When a selection of object is made without paying regard to the order of selection, it is called
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Sequence
Series
Combination
Permutation
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Question # 23
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Principle of equality of fractions
Rule for product of fractions
Golden rule for fractions
Rule for quotient of fractions
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Question # 24
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π / 4
π / 6
π / 3
0
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Question # 25
Cos (cos4π/3)=
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π/2
π/3
2π/3
-π/3
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Question # 26
120° degrees are equal to how many radians?
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Question # 27
For what value of k, 3x -2y+ k= 0 is tangent to the circle x2 +y2 +6x -4y =0
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k=0
k=0 or 26
k = 26
k=-13
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Question # 28
The conic ax2+2hxy+by2+2gx+2fy+c= 0 never represent a circle if
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a≠ b,h≠0
a=b
h≠0
h=0
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Question # 29
The solution of equation x2 + 2 = 0 in the set of real number is
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Infinite set
Singleton set
Null set
None of these
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Question # 30
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(a + b)c = a . c + bc
a + b = b + a
(a + b) + c = a + (b + c)
a(b+ c) = ab + ac
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Question # 31
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