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Online Tests
ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
What is the value of cos (cos-1 2) ?
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√2
1/2
undefine
0
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Question # 2
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8
9
10
11
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Question # 3
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Question # 4
Riaz, Saba. Maria, Shehzad are to give speeches in a class. The teacher can arrange the order of their presentation in
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4 ways
12 ways
256 ways
24 ways
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Question # 5
The two parts into which 57 should be divided so that their product is 782 are
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43,14
34,23
33,24
44,13
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Question # 6
If z = (x,y) , then z ̅ =
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(-x,y)
(x,-y)
(-x, -y)
None of these
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Question # 7
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Question # 8
The eccentricity e of an ellipse is always
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Rational
Real
Irrational
Integer
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Question # 9
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Question # 10
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Does not exist because f is unbounded
Is not attained even though f is bounded
Is equal to 1
Is equal to -1
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Question # 11
Tangent is ...............function
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Inverse
one-one
in-to
Periodic
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Question # 12
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Question # 13
In any triangle ABC,with usual notationαsinβ =____;
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b sinα
bsinβ
αsinα
None of these
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Question # 14
If in the expansion of (1+x)
n
, co-efficients of 2nd, 3rd and 4th terms are in A.P., then x=
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4
5
6
7
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Question # 15
If y = eax sin bx and y2 - 2ay1 + (a2+b2) y=0 the for what values of a and b we have y2+10y1+34y =0
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a = -10,b=34
a=-5,b=3
a=5,b=3
a=10,b=34
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Question # 16
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Free vector
Null vector
Unit vector
None of these
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Question # 17
The line l is horizontal if
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m is undefined
m=0
m=1
m=0-1
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Question # 18
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A
B
A'B'
B'A
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Question # 19
Cos 60° = ______
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1
2
1/2
3
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Question # 20
The familiar plane curves, namely circle, ellipse, parabola and hyperbola are called:
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cones
conics
nappes
apex
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Question # 21
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Question # 22
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cot x + c
tan x + c
-cot x + c
-tan x + c
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Question # 23
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ab=-1
ab = 1
ab = 2
None
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Question # 24
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The law of sines
The law of consines
The law of tangents
None of these
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Question # 25
The minimum value of the quadratic function f(x) = x2 +6x -2, is
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11
6
-11
13
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Question # 26
The consecutive terms of a progressions are 30, 24, 20. The next term of the progression is
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Question # 27
x = -1 is in the solution of the inequality
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x + 5 < 0
2x + 3
<
0
x > 0
2x + 3 > 0
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Question # 28
The square roots of negative numbers is called
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Real no
Complex no
Positive no
Negative no
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Question # 29
i
101
=
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i
i
2
-i
-1
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Question # 30
If 5,7 and 9 are A.Ms between a and b, then a and b is equal to
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2 and 12
1 and 10
3 and 11
-7 and 2
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Question # 31
If
θ
= 60° then
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sin
θ
= 1/2
tan
θ
= cot 30°
θ
=
π
/4
sec
θ
= 4
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