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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
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0
1
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Question # 2
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One-to-one and onto
One-to-one but not on to
Onto but not one-to-one
Neither one-to-one nor onto
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Question # 3
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Question # 4
The number of terms in the expansion of (a + b)
9
is
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10
11
9
12
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Question # 5
The distance of the point (2,3) from origin is
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5
2
3
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Question # 6
Three unbiased coins are tossed. Then the probabilities of getting two heads is
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3/8
1/8
1/4
None of these
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Question # 7
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Question # 8
In a triangle ABC, if angle A = 72° , angle B = 48° and c = 9 cm then Ĉ is
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69°
66°
60°
63°
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Question # 9
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Question # 10
a >b ⇒a +c >b +c is known as
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Trichotomy property
Additive property of inequality
Transitive property
Multiplicative property
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Question # 11
Every prime number is also
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Rational number
Even number
Irrational number
Multiple of two numbers
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Question # 12
The straight lines represented by the equation ax2+ 2hxy +by2 =0 intersects at
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(1,1)
(0,1)
(1,0)
(0,0)
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Question # 13
6 is
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A prime integar
An irrational number
A rational number
An odd integer
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Question # 14
Unit vector in the positive direction of x-axis is
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Question # 15
If a
x
= b
y
= c
z
and a, b, c are in G.P. then x, y, z are in
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A.P.
G.P.
H.P.
None of these
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Question # 16
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cos 2x
2 cos 2x
2 sin2x
-2 cos2x
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Question # 17
No term of a geometric sequence can be
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0
1
2
3
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Question # 18
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8
4
64
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Question # 19
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Question # 20
Which of the following sets is finite
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The set of natural numbers between 3 and 10
The set of rational numbers between 3 and 10
The set of real numbers between 0 and 1
The set of rational numbers between 0 and 1
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Question # 21
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Question # 22
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Question # 23
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none of these
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Question # 24
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4x + 1
4x
2x
3
none of these
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Question # 25
Domain of sin x is ______
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Question # 26
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(a - c)
2
= b
2
- c
2
(a - c)
2
= b
2
+ c
2
(a + c)
2
= b
2
- c
2
(a + c)
2
= b
2
+ c
2
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Question # 27
A triangle has ____ elements
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3
4
5
6
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Question # 28
If ab > 0 and a < 0, which of the following is negative?
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b
-b
-a
(a - b)
2
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Question # 29
A prime number can be a factor of a square only if it occurs in the square at least
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Once
Thirce
Twice
None of these
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Question # 30
The set of rational number is represented by
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W
R
Q'
Q
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Question # 31
The middle term of the expansion (1 + 2x)
6
is ______
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1st term
4th term
2nd term
5th term
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