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Online Tests
ECAT Mathematics Online Test MCQs With Answers
Question # 1
There may be ______ feasible solution in the feasible region
Choose an answer
Infinite
Finite
Defined
None of above
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Question # 2
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Question # 3
The distance between the points (2, 2) and (3, 3) is
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10
5
2
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Question # 4
If x+y+z+......+2n = 2n+1-1∀n∈W,then cube root of xyz is equal to
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1
4
2
8
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Question # 5
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Question # 6
The coefficient of xn in the expansion of (1-x)-1 is
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(-1)n2n
1
(-1)n(n+1)
(n+1)
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Question # 7
Roots of the equation 2x
2
- 7x + 3 = 0 are
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Rational
Irrational
Complex
None of these
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Question # 8
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Question # 9
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a = 2, b = 3
a = 3, b = 2
a = 2, b = 1, 2
a = 3, b = 3
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Question # 10
The coefficient of x
10
in the expansion (x
3
+3/x
2
)
10
is
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1700
17023
17027
17010
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Question # 11
The multiplicative inverse of (a,b) is
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Question # 12
An indicated sum of terms of a sequence is represented by
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Sn
an
S(n)
{Sn}
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Question # 13
Choose an answer
1
0
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Question # 14
If a force F = 2i + j +3k acts at point (1,-2,2) of a body then the moment of F about a pint lying on the line of action of the force is
Choose an answer
5
Equal to the moment of the force about origin
0
Cannot be found
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Question # 15
Choose an answer
a
1
+ a
2
a
2
1
+ a
2
2
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Question # 16
For non-trival solution |A| is
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non zero
A = 0
|A| = 0
At = 0
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Question # 17
The 7th term of the A.P 7,11,15,is
Choose an answer
24
31
26
23
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Question # 18
The mid point of the line segment joining the points (3,-1) and (-3,1) is
Choose an answer
(3,-1)
(0,0)
(2,2)
(4,4)
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Question # 19
A∪(A∪B)= --------------------
Choose an answer
B
A
A∪B
None of these
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Question # 20
The third term of a G.P. is 4, The product of first five terms is
Choose an answer
43
45
46
None of these
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Question # 21
Choose an answer
6
360
120
24
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Question # 22
√(-1b) =?
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b i
-i b
b2
i√b
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Question # 23
Choose an answer
square root function
identity function
linear function
quadratic function
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Question # 24
The second degree equation 2x2 -xy+ 5x -2y +2 =0 represents
Choose an answer
Circle
Hyperbola
Ellipse
Pair of straight lines
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Question # 25
The eccentricity of the parabola y
2
= -8x is
Choose an answer
-2
2
-1
1
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Question # 26
The number of ways of arranging the letter AAAAA BBB CCC D EE F in a row when no two C's are together is
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Question # 27
Which of the following sets in infinite
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The set of students of your class
The set of all schools in Pakistan
The set of natural numbers between 3 and 10
The set of rational numbers between 3 and 10
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Question # 28
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Question # 29
In the expansion of (a + x)
n
the sum of exponents of a and x in each term of the expansion is
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n + 1
n - 1
n
2n
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Question # 30
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 # 31
No term of a geometric sequence can be
Choose an answer
0
1
2
3
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