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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
How many types of an equation
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1
3
2
None
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Question # 2
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Question # 3
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Question # 4
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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 # 5
The value of p for which both the roots of the equation 4x2- 20x + (25p2+ 15 p - 66) = 0 are less than 2, lies in
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Question # 6
Roots of the equation 9x
2
- 12x + 4 = 0 are
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Real and equal
Real and distinct
Complex
None of these
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Question # 7
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a = -1/2, b = -1
a = 1, b = 2
a = 2, b = 3
None of above
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Question # 8
In-radius is denoted by
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r
η
r2
R
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Question # 9
The value of x, and y, when (x + iy)
2
= 5 + 4i
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X = 2, y = 1
X = -2, y = 1
X = 2, y = -1
X = 2, y = 2
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Question # 10
If n is any positive integer ,t hen 2+4+6+......+2 n=
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2
n
-1
2
n
+1
n
2
+1
n(n+1)
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Question # 11
The vertex of the parabola (xsin a -ycos a)2 =4a(xcos a +ysin a) lies at
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(acos a,asin a)
(a,0)
(cos a,sin a)
(0,0)
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Question # 12
1 radian = ______
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180°
90°
57.296°
60°
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Question # 13
s > t then
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(s - t)
2
> (t - s)
2
(s - t)
2
< (t - s)
2
(s - t)
2
= (t - s)
2
None
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Question # 14
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Even
Odd
Prime
None of these
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Question # 15
If p and q are two statements then their biconditional 'p if q' is denoted by
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Question # 16
∛8.6 is approximately equal to
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2.488
2.48
2.0488
2.05
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Question # 17
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Question # 18
If S = {3,6,9,12.......}, then
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S = Four multiples of 3
S = Set of even numbers
S = Set of prime numbers
S = All multiples of 3
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Question # 19
If ax
2
+ bx + x = 0 is satisfied by every value of x, then
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b = 0, c = 0
c = 0
b = 0
a = b = c = 0
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Question # 20
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Question # 21
If #n = (n-5)2 + 5, then find #3 x #4.
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54
12
4
9
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Question # 22
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Associative law of multiplication
Commutative law of addition
Commutative law of multiplication
Associative law of addition
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Question # 23
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At
-A
A
A-1
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Question # 24
(1,0) is in the solution of the inequality
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3x + 2y > 8
2x - 3y < 4
2x + 3y > 3
x - 2y < -5
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Question # 25
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Question # 26
tan h x = _________
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Question # 27
Which is an explicit function
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y = x
2
+ 2x - 1
x
2
+ xy + y
2
= 2
x
2
+ y
2
= xy + 2
All are
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Question # 28
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Question # 29
Tangent is a periodic function and its period is ______
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2
π
3
π
π
4
π
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Question # 30
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Question # 31
A triangle which is not right angle is called ______ triangle
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acute
Obtuse
Right
Oblique
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