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ECAT Mathematics Online Test MCQs With Answers
Question # 1
The element range of sequence are called
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Series
progression
Members
Terms
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Question # 2
sin h x = ___________
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Question # 3
In R, the additive inverse of a is
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0
1
-a
1/a
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Question # 4
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 # 5
Which is a proper rational fraction
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Question # 6
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Question # 7
Three integers are chosen at random from the first 20 integers. Then probability that their product is even, is
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2 / 19
3 / 29
17 / 19
4 / 19
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Question # 8
Write down the power set of {9, 11}
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Question # 9
If n is a negative integer n! is
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1
0
Unique
Not defined
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Question # 10
Range of sin
θ
is
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Question # 11
The period of cot 8x is
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π/10
9π/7
π/9
π/8
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Question # 12
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cos x + c
-sin x + c
-cos x + c
sin x + c
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Question # 13
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Question # 14
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Question # 15
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Question # 16
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1
-1
0
None of these
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Question # 17
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z is purely imaginary
a is any complex number
z is real
None of these
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Question # 18
E-radius corresponding to < A is
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Question # 19
The value of sin-1 24/25 is equal to
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csc-1 25/24
sec-1 24/25
2 tan-1 4/5
2cos-1 24/25
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Question # 20
If one root of the equation ix
2
- 2(i + 1) x +(2 - i) = 0 is 2 - i, then the other root is
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-i
2 + i
i
2 - i
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Question # 21
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Question # 22
Every whole number is
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A real number
An irrational number
A prime number
A negative integer
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Question # 23
ax + by < c is linear inequality in
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four variables
three variables
two variables
one variable
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Question # 24
The difference of two consecutive terms of an A.P is called the
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Common difference
Common ratio
Geometric series
Geometric mean
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Question # 25
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none of these
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Question # 26
The 60th part of one minute is called
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Degree
Second
Radiam
None of these
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Question # 27
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A
0
Unit vector
None
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Question # 28
There may be ______ feasible solution in the feasible region
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Infinite
Finite
Defined
None of above
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Question # 29
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0
1
2
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Question # 30
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Question # 31
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Additive property in R
Multiplication property in R
Cancellation property in R
Distribution property in R
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