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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
When rational fraction is separated into partial fractions, the result is
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an identity
A fraction
A partial sum
Improper fraction
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Question # 2
IfΔABC is right, law of cosine reduce to
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Law of sine
Law of tangent
Phthogorous theorem
Hero's formula
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Question # 3
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Question # 4
The point where the axis meets the parabola is called
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Directrix
Foucu
Chord
Vertix
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Question # 5
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Question # 6
In one hour the minute hand of a clock turns through
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Question # 7
1/3 is ______
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A prime number
An integer
A rational number
An irrational number
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Question # 8
5 unbiased coins coins are tossed simultaneously. The probability of getting at least one head is
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1 / 32
31 / 32
1 / 16
None of these
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Question # 9
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Question # 10
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Question # 11
Period of tan x is ______
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Question # 12
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π / 4
π / 6
π / 3
0
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Question # 13
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Question # 14
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Question # 15
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Question # 16
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-3
-7
1
0
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Question # 17
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2
2
- n - 1
1 - 2
-n
n + 2
-n
-1
2
n
- 1
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Question # 18
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 # 19
What is the period of tan 4/3 x =?
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π/4
4π/3
7π/4
3π/4
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Question # 20
The equation x
2
+ y
2
= 0 represents
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A circle
A degenerate circle
An empty set
A st. line
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Question # 21
The area of sector with central angle of 1 radians in a circular region whose radius is 2 m is
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Question # 22
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Question # 23
If f(x) = x
2
then f(-2) is
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-2
2
4
-4
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Question # 24
Given two independent event A and B such that P(A) = 0.30 and P(B) = 0.60. Probability of getting neither A nor B is
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0.28
0.13
0.12
0.42
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Question # 25
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Question # 26
The intercepts of the plane 2x - 3y + 4z = 12 on the co-ordinate axes are given by
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2, -3, 4
6, -4, -3
6, -4, 3
3, -2, 1.5
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Question # 27
The range of the principle cot function is
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Question # 28
A Geometric Series is divergent only if
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|r|>1
|r|≥1
|r|=1
None of these
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Question # 29
The square root of every incomplete square is an
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Rational numbers
Even numbers
odd numbers
Irrational numbers
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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
The minimum value of the quadratic function f(x) = 5 x 2-11,is
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7
-7
6
-11
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