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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
Tan(
α
-
β
)=
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Question # 2
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Question # 3
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Question # 4
The order axioms are satisfied by set of
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C
C and R
R
None of these
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Question # 5
The square root of 2i - 20i is
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±(5 - 2i)
±(5+ 2i)
(5 - 2i)
None of these
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Question # 6
The directrix of y2 =-4ax is
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y =-a
y = a
x = a
x = -a
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Question # 7
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-2x
3
2x
-3
-2x
-3
2x
3
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Question # 8
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Question # 9
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Question # 10
The angles with some initial and terminal sides are called
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Quadrantal angles
Coterminal angles
Allied angles
None
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Question # 11
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A
-A
A
t
A
-
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Question # 12
G = {e, a, b, c} is an Abelian group with e as identity element The order of the other elements are
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2,2,2
3,3,3
2,2,4
2,3,4
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Question # 13
The set {-1,1} is
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Group under the multiplication
Group under addition
Does not form a group
Contains no identity element
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Question # 14
The set X is
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Proper Subset of X
Not A subset of X
Improper Subset of X
None of these
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Question # 15
√2 is a number
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Rational
Irrational
Even
Odd
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Question # 16
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Question # 17
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0
1
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Question # 18
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Question # 19
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Question # 20
It is not possible to find the exact value of
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π
√9
∛27
√1
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Question # 21
The two lines y = 2x and x =2y are
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Parallel
Perpendicular
Equally inclined with axes
Congruent
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Question # 22
The complement of set A relative to universal set U is the set
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Question # 23
How many 6-Digit number can be formed without repairing any digit from the digits 0,1,2,3,4,5
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720
600
120
6-5!
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Question # 24
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Question # 25
A∪(A∪B)= --------------------
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B
A
A∪B
None of these
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Question # 26
an -an-1,∀n∈N∧n>1 in an A.P is called
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Common difference
nth term
Common ratio
None of these
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Question # 27
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Question # 28
14 is not a
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Prime number
Whole number
Even number
Real number
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Question # 29
A card is drawn from a pack of cards numbered 1 to 52, the probability that the number on the card is a perfect square is
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1/13
2/13
7/52
None of these
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Question # 30
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sin 2x + c
-sin 2x + c
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Question # 31
1
0
= ______
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