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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
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Question # 2
Arithmetic mean between 14 and 18 is
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16
17
15
32
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Question # 3
The range of y = cot x = ______
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-
∞
> y > +
∞
-
∞
> x > +
∞
-
∞ <
y < +
∞
None of above
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Question # 4
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1/3
1
3
None of these
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Question # 5
(-28,12) divides the join of A(-6,3) and B(5,-2) in ratio
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1:2
3:2
2:3
2:1
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Question # 6
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A
2
- 5A + 7I = 1
2A
2
- 3A + 7I = 0
A
2
- 5A + I = 0
A
2
- 5A + 7I = 0
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Question # 7
If a set S contains "n" elements then P (S) has ...... number of elements
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2
n
2
2n
2 . n
n
2
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Question # 8
When the angle between the ground and the sun is 30
𝜊
,flag pole costss a shadow of 40 mg long. the height of the top of the flag is
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25m
23m
12m
29m
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Question # 9
If one end of the diameter of the circle 2x
2
+ 2y
2
-8x - 4y = 2 = 0 is (2 ,3), the other end is:
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(2,1)
(-2,1)
(2,-1)
(1,-1)
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Question # 10
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 # 11
In polar form of complex number r =
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Question # 12
The value of sin 28°cos 17°+cos 28°sin 17°is
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Question # 13
The parametric equations of a circle are
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Question # 14
The differential equation of all st. lines which are at a constant distance to form the origin is
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Question # 15
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Question # 16
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Question # 17
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Question # 18
The order of the matrix A is 3 x 2 and that of B is 2 x 3. The order of the matrix BA is
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3 x 3
3 x 2
2 x 5
5 x 2
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Question # 19
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Question # 20
sin5θ+sin3θ = _______;
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2sin 4θ cosθ
2cos 4θ sinθ
2cos 4θ cosθ
-2sin 4θ sinθ
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Question # 21
A circle which touches one side of a triangle externally and the other two sides produced is called ______
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In-circle
Circum cirle
Escribed circle
None of these
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Question # 22
The general value of
θ
satisfying the equation 2 sin
2
θ
- 3 sin
θ
-2 = 0 is
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Question # 23
Given X,Y are any two sets such that number of elements in set X = 28, number of elements in set Y = 28, and number of elements in set X∪Y = 54, then number of elements in set X ∩ Y =
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4
3
2
1
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Question # 24
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An empty set
Universal set
A singleton set
None of these
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Question # 25
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Question # 26
The velocity of a particle moving along a straight line is given by v = 3t + t
2
. The acceleration of the particle after 4 seconds from the start is
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4
11
26
None
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Question # 27
The contra positive of p → q is
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q → p
~q→~q
~p→~q
None of these
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Question # 28
If p and q are two statements then their conjunction is denoted by
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Question # 29
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R/[0,4]
R/(0,4)
(0,4)
[0,4]
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Question # 30
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No solution
One real solution
More than one real solution
None of these
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Question # 31
If the exponent in the binomial expansion is 6, then the middle term is
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2nd
3rd
4th
5th
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