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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
One degree is denoted by
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1
0
1'
1"
1 rad
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Question # 2
Name the property used in 4.1 + (-4.1) = 0
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Additive inverse
Multiplication inverse
Additive identity
Multiplication identity
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Question # 3
5x
3
+ 3x - is a ______
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Polynomial of degree 3
Polynomial of degree 2
Polynomial of degree 1
Polynomial of degree 0
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Question # 4
The curve f(x,y) = 0 has a central symmetry if
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f(-x,-y)=f(x,y)
f(x,-y)=f(x,y)
f(-x,y)=f(x,y)
f(-x,-y)≠f(x,y)
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Question # 5
The general solution of tan 3x = 1 is
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Question # 6
The sum of the coefficient in the expansion of (a + x)
5
is
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32
16
8
5
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Question # 7
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Question # 8
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Question # 9
The equation of the normal to the circle x
2
+ y
2
= 25 at (4, 3) is
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3x - 4y =0
3x - 4y =5
4x + 3y = 5
4x + 3y = 25
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Question # 10
The function f{(x, y) | y = ax
2
+ bx + c} is
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One-one function
Constant function
Onto function
Quadratic function
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Question # 11
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Question # 12
The eccentricity e of an ellipse is always
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Rational
Real
Irrational
Integer
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Question # 13
The equation of the chord of the circle x
2
+ y
2
- 4x = 0 whose mid-point is (1, 0) is
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y = 2
y = 1
x = 2
x = 1
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Question # 14
Tan 360° = _______
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-1
0
1
Undefined
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Question # 15
If P, Q, R be the A.M., G.M., H.M. respectively between any two rational numbers a and b, then P - Q is
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Question # 16
The set of ordered pairs (x,y) such that ax+ by < c, and (x,y) such that ax + by>0, are called
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Linear Inequalities
Feasible regions
Half planes
Boundary
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Question # 17
5 unbiased coins coins are tossed simultaneously. The probability of getting at least one head is
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1 / 32
31 / 32
1 / 16
None of these
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Question # 18
All letters of the word "AGAIN" are permuted in all possible ways and the words so formed (with or without meaning) are written as in dictionary, then the 50th word is
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NAAGI
NAAIG
IAANG
INAGA
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Question # 19
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c = 0
c = -1
c = -2
c = 1
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Question # 20
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Question # 21
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Question # 22
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Question # 23
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Rule of quotient of fraction
Golden rule of fraction
Rule for product of fraction
Principle for equality of fraction
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Question # 24
A matrix with a single row is called a
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Column matrix
Row matrix
Null matrix
Identity matrix
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Question # 25
The unit vector along y-axis is
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none of these
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Question # 26
Riaz, Saba. Maria, Shehzad are to give speeches in a class. The teacher can arrange the order of their presentation in
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4 ways
12 ways
256 ways
24 ways
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Question # 27
By expressing sin 125° in terms of trigonometrical ratios, answer will be
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sin 65° = 0.9128
sin 55° = 0.8192
sin 70° = 0.5384
sin 72° = 0.1982
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Question # 28
The set of the first elements of the orders pairs forming a relation is called its
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Relation in B
Range
Domain
Relation In A
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Question # 29
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 # 30
14 is not a
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Prime number
Whole number
Even number
Real number
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Question # 31
If f(x) = x
2
-x then f(1) is
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0
1
2
3
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