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Online Tests
ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
Which of the following integrals can be evaluated
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Question # 2
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Question # 3
sin (
α
+
β
) - sin (
α -
β
) =
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4 cos
α
sin
β
2 cos
α
sin
β
4 cos
α
cos
β
4 sin
α
sin
β
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Question # 4
A point of a solution regions where two of its boundary lines intersect, is called:
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Vertex of the solution
Feasible point
Point of inequality
Null point of the solution region
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Question # 5
Number of terms in the expansion of (a+x)
n
is
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n - 1
n + 1
n + 2
n + 3
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Question # 6
G = {e, a, b, c} is an Abelian group with e as identity element. The order of the other elements are
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2, 2, 2
3, 3, 3
2, 2, 4
2, 3, 4
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Question # 7
Fifteen girls compete in a race. The first three places can be taken by them in
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3! ways
12! ways
15 x 14 x 13 ways
42 ways
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Question # 8
A card is drawn from a pack of cards numbered 2 to 53. the probability that the number on the card is prime number less than 20 is
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2 / 13
4 / 13
5 / 13
8 / 13
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Question # 9
The point R dividing externally the line joining the points P(x
1
, y
1
) and Q(x
2
, y
2
) in the ratio k
1
: k
2
has the coordinates
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Question # 10
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Question # 11
The area bounded by y = x (x2 - 4) and below x - axis is
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4
0
-4
8
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Question # 12
In set builder notation the set {0, 1, 2, ............, 100} can be written as
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Question # 13
The tangents drawn from the point P to a circle are imaginary if
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P is on the circle
P is inside the circle
P is outside the circle
none of these
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Question # 14
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Question # 15
The order of the matrix A is 3 x 5 and that of B is 2 x 3.The order of the matrix BA is
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2 x 3
3 x 2
2 x 5
5 x 2
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Question # 16
Sequence also called..............
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Series
Function
progressions
Elements
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Question # 17
The negation of a number
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a relation
a function
unary operation
binary operation
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Question # 18
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2x
2
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Question # 19
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Question # 20
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π / 3
π / 4
π / 6
0
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Question # 21
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sin h x
cos h x
tan h x
cot h x
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Question # 22
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Question # 23
For trival solution |A| is
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A
|A| is non zero
A = 0
None of these
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Question # 24
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x
39
40x
39
40x
41
none of these
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Question # 25
If order of A is m x n, then order of A
t
is
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m x m
n x n
m x n
n x m
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Question # 26
If a = 2i +2j, b= 3i -j and c=4i +5j, the 3b -a-2c =
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-i -15j
i-15j
i-3j
None of these
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Question # 27
For each natural number n, n (n+1) is
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an even
an odd
multiple of 3
Irrational
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Question # 28
sin 540° =
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0
1
2
3
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Question # 29
Range of y = sec x is
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-1≤ y≤ 1
y≥ 1 or y≤ -1
y≤ 1or y≥ -1
-∞ < y < +∞
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Question # 30
The law of sines can be used to solve
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Right angle triangle
Isosceles triangle
oblique triangle
haxagon
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Question # 31
The length of perpendicular from (3,1) to 4x +3y +20 =0 is
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6
7
3
8
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