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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
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Question # 2
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Question # 3
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1
2
-1
0
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Question # 4
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1
2
3
4
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Question # 5
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5
-5
none
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Question # 6
cos h
2
x + sin h
2
x
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an even function
an odd function
an even and implicit function
neither even nor a odd
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Question # 7
An equation which hold good for all values of the variables is called
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Identity
fraction
mixed form
Partial equation
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Question # 8
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n
C
r
n+1
C
r+1
n
C
r+1
None
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Question # 9
The product of cube roots of unity is
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Zero
1
-1
None of these
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Question # 10
Three dice are thrown together. The probability of getting a total of at least 6 is
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103 / 108
10 / 216
93 / 108
None of these
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Question # 11
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Question # 12
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Question # 13
E-radius corresponding to < C is
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Question # 14
What is the conjugate of -7 -2i ?
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-7 + 2i
7 +2i
7 -2i
√53
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Question # 15
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1
-1
0
None of these
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Question # 16
I f the focus is F ( 0,-a) and directrix is the line v=a, then equation of the parabola is:
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x
2
= 4ay
y
2
= 4ax
y
2
= -4ax
x
2
= 4ax
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Question # 17
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Question # 18
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x
3
3x
2
3x
3
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Question # 19
In R the right cancellation property w.r.t. addition is
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Question # 20
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Question # 21
If P is a proposition then its negative is denoted by
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Question # 22
An integer is chosen at random from the number ranging from 1 to 50. the probability that the integer chosen is a multiple of 2 or 3 or 10 is
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3 / 10
5 / 10
7 / 10
9 / 10
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Question # 23
Which is the proper rational function
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Question # 24
If A is singular then |A| = ______
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1
0
2
None of these
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Question # 25
Arithmetic mean between 14 and 18 is
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16
17
15
32
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Question # 26
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9
-9
0
1
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Question # 27
The 7th term of the A.P 7,11,15,is
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24
31
26
23
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Question # 28
The domain of y =√(x^2-9) is
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R
(0 , +∞)
(-∞ , -3 )∪ (3 , +∞)
(0 ,∞)
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Question # 29
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15
15 i
-15 i
-15
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Question # 30
The coordinates of a point P(x,y) referred to XY-system are
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(x+y,y+k)
(x-h,y-k)
(x,y)
(x-h,y-k)
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Question # 31
If n is a negative integer n! is
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1
0
Unique
Not defined
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