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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
Choose an answer
a constant function
linear function
quadratic funtion
none of these
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Question # 2
The conic is a parabola, when:
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ᵨ > 1
ᵨ < 1
ᵨ = 1
ᵨ = 0
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Question # 3
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Question # 4
The coefficient of x
10
in the expansion (x
3
+3/x
2
)
10
is
Choose an answer
1700
17023
17027
17010
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Question # 5
Area bounded between the curve xy=2 and the lines x=1 and x=2
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ln2 square units
ln√2 square units
ln4 square units
Square units
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Question # 6
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Question # 7
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Question # 8
The solution set of the equation |3x + 2| = 5 is
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Question # 9
w
-1
= ______
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0
1
w
w
2
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Question # 10
The multiplicative inverse of -3i is
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3i
-3i
-1/3i
1/3 i
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Question # 11
If A∩B=B, then n(A∩B) is equal to
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n(a)
n(a)+n(c)
n(c)
None of these
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Question # 12
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0
1
-1
None of these
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Question # 13
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Question # 14
120° degrees are equal to how many radians?
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Question # 15
Which of the following is a scalar.
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electric field
magnetic field
weight
mass
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Question # 16
The set of integers is a subset of
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The set of natural numbers
The set of whole numbers
The set of prime numbers
The set of rational numbers
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Question # 17
The root of the quadratic equation are
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3
2
1
4
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Question # 18
If sin
θ
and cos
θ
are the roots of the equation ax
2
- bx + c = 0, then a, b, c satisfy the relation
Choose an answer
b
2
- a
2
= 2ac
A
2
- b
2
= 2ac
A
2
+ b
2
= c
2
B
2
+ a
2
= 2ac
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Question # 19
The area between the x-axis and the curve y = x
2
+ 1 from x = 1 to 2 is:
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15/6
15/4
10/4
10/3
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Question # 20
(1+w)(1+w2)(1+w4)(1+w8)....50 factors
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0
-1
1
2
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Question # 21
The transport of a square matrix is a
Choose an answer
Row matrix
Column matrix
Square matrix
Null matrix
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Question # 22
The coefficient of the second term of (a+b)
4
is
Choose an answer
1
9
3
5
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Question # 23
The general solution of tan 3x = 1 is
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Question # 24
Which of the following is a factor of x
3
- 3x
2
+ 2x - 6
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x + 2
x + 3
x - 3
x - 4
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Question # 25
n! > 2
n
-1 is true when
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n≤ 3
n≤ 6
n≥ 4
n≤ 6
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Question # 26
The roots of the equations will be equal if b
2
- 4ac is
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Positive
Negative
1
Zero
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Question # 27
A fraction in which the degree of the numerator is less than the degree of the denominator is called
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Polynomial
Equation
Proper fraction
Improper fraction
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Question # 28
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Question # 29
The function {f(x,y)|y = ax2 +bx +c} is
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One-one function
Constant function
Onto function
Quadratic function
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Question # 30
∀a,b,c∈R, a >b ∧ b>c ⇒ a >c is
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Trichotomy property
Transitive property
Symmetric property
Additive property
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Question # 31
Every prime number is also
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Rational number
Even number
Irrational number
Multiple of two numbers
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