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Online Tests
ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
If n is not natural number, then the expansion (1 + x)
n
is valid for
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Question # 2
The area of circle of unit radius =
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0
1
4
π
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Question # 3
Which of the following is the subset of all sets?
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Question # 4
Domain of sec
θ
is
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Question # 5
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Question # 6
The sum of the even coefficients in the expansion (1 + x)
n
is
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n
2
2
n-2
2
n-1
2
n
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Question # 7
1/2,1/3,1/4,1/5.........is
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a geometric sec
an arithmetric series
finite sequence
an infinite sequece
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Question # 8
If f(α) = b2 and g (c) =d where c=b2 then (gof)(a) is
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α
c
b
d
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Question # 9
The coordinates of the point that divides the join of A(-6,3) and B(5, -2) in the ratio 2:3 internally
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Question # 10
A fraction in which the degree of the numerator is less the degree of the denominator is called
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Polynomial
Proper fraction
Rational fraction
None
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Question # 11
The eccentricity e of an ellipse is always
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Rational
Real
Irrational
Integer
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Question # 12
Three numbers are chosen random without replacement from {1, 2, 3, ...., 10}. the probability that minimum of the chosen numbering is 3 or their maximum is 7
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7 / 40
5 / 40
11 / 40
None of these
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Question # 13
The domain of y = cos-1 x is
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-∞ < x < ∞
-1≤ x≤ 1
x≤ -1 or x ≥ 1
None of these
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Question # 14
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Question # 15
∀x, y ∈ R, either x = y or x > y or x < y is
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Transitive property
Reflexive property
Trichotomy property
None of these
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Question # 16
A monoid (G, *) is said to be group if
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have identity element
is commutative
have inverse of each element
None of these
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Question # 17
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Question # 18
Write the first four terms of the arithmetic sequence 5, 2, -1, ... is
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3
-4
7
1
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Question # 19
(x3-1/x)12
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295
495
395
722
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Question # 20
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(-6,4)
(-3,2)
(6,-4)
(3, -2)
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Question # 21
The decimal fraction in which we have finite number of digits in its decimal part is called.
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recurring decimal fraction
Non terminating faction
Non recurring fraction
terminating decimal fraction
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Question # 22
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Question # 23
The multiplicative inverse of 2/3 is
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3/2
-2/3
-3/2
1
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Question # 24
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Question # 25
If 2x +y + λ =0 is normal to parabola y2 =-8x,λ= _____
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12
8
24
-24
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Question # 26
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Question # 27
The Principal value of sin-1 (-1/1/2)
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π/2
-π/2
π
-π
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Question # 28
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Question # 29
How many arrangements of the letters of the word MATHEMATICS can be made
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Question # 30
The equation x2+ y2- 8x+ 6y+ 25= 0 represents
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A circle
A pair of straight lines
A point
None of these
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Question # 31
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