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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
Choose an answer
c = 0
c = -1
c = -2
c = 1
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Question # 2
The period of tan x/7 is
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3π
7π
15π
5π
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Question # 3
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Square matrix
Row matrix
Symmetric matrix
Null matrix
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Question # 4
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8
1/56
56
None of these
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Question # 5
The number of non zero rows in echelon form of a matrix is called
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Order of matrix
Rank of matrix
Row operation
None of these
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Question # 6
The equation ax
2
+ 2hxy + by
2
+2gx + 2fy + c =0 represents an ellipse if
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Question # 7
If the angle between two vectors with magnitude 2 and 15 is 30
°
then their scalar product is
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15
30
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Question # 8
An equation containing at least one derivative of a depends variable with respect to independent variable is a (an)
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Implicit equation
Differential equation
General equation
None of these
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Question # 9
The series obtained by adding the terms of a geometric sequence is called
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Infinite series
Arithmetic series
Geometric series
Harmonic series
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Question # 10
√11 is
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an irrational number
Rational number
odd number
Negative number
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Question # 11
2x = 3 is a conditional equation it is true for
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2
3
3/2
2/3
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Question # 12
The distance of the point (-2 , -3) from y-axis is
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2
-2
3
-3
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Question # 13
Let A,B, and C be any sets such that A∪B = A∪C and A∩B = A∩C then
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A≠ C
B = C
A = B
A≠ B
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Question # 14
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Question # 15
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9
-9
0
1
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Question # 16
Every real number is
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a positive integer
a rational number
a negative integer
a complex number
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Question # 17
The set (Q, .)
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Forms a group
Does not form a group
Contains no additive identity
Contains no additive inverse
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Question # 18
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Principle of equality of fractions
Rule for product of fraction
Rule for quotient of fraction
Golden rule of fractions
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Question # 19
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0
1
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Question # 20
The 5th term of (3a-2b)
-1
is
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77b
2
/a
5
16b
2
/243 a
5
17b
4
/43a
5
25b
3
/43a
5
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Question # 21
150°= ______
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Question # 22
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At
-A
A
A-1
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Question # 23
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a = a
a < a
a > a
a
2
= a
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Question # 24
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G.P
H.P.
A.P.
No particular sequence
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Question # 25
The distance of the point (-2, -3) from the origin is
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2
-5
-3
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Question # 26
In the expansion of (x+y)n the coefficient of 5th and 12th terms are equal then n=
Choose an answer
12
n=14
17
n=15
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Question # 27
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-1
1
2
-2
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Question # 28
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3
2
8
0
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Question # 29
3x + 4 > 0 is
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equation
identity
inequality
none of these
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Question # 30
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1, 1/2, 0
1, 2, 1
1, 2, 3
1, 2, 0
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Question # 31
For any equilateral r :R :η :r1 :r2 :r3 =
Choose an answer
1:2:3:4:5
1:2:3:3:3
1:2:4:4:4
2:1 :2 :2 :2
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