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ECAT Mathematics Online Test MCQs With Answers
Question # 1
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Question # 2
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Question # 3
The complement of set A relative to universal set U is the set
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{x / x∈ A∧ x∈ U}
{x / x∉ A∧ x ∈ U}
{x / x∈ A and x ∉ U}
A-U
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Question # 4
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Question # 5
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3
1
4
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Question # 6
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Question # 7
The sum of infinite numbers of terms of an arithmetic series is
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Finite
Infinite
May or may not finite
None of these
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Question # 8
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a
1
+ a
2
a
2
1
+ a
2
2
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Question # 9
The points (x, y) which satisfy a linear inequality in two variables x and y from its
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domain
range
solution
none of these
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Question # 10
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Question # 11
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Symmetric property
Cancellation property w.r.t. multiplication
Reflexive property
Transitive property
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Question # 12
The sum of first 60 natural numbers is
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1830
3660
1640
1770
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Question # 13
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0
-2
1
4
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Question # 14
The sum of an indicated number of terms in a sequence is called
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sequence
progression
Series
Mean
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Question # 15
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Question # 16
General solution of tan 5
θ
= cot 2
θ
is
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Question # 17
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3 x 1
1 x 3
3 x 3
1 x 1
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Question # 18
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Question # 19
Another name of quadratic equation is
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Polynomial
2nd degree polynomial
Linear equation
simaltaneous equations
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Question # 20
ax + by < c is linear inequality in
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four variables
three variables
two variables
one variable
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Question # 21
Riaz, Saba. Maria, Shehzad are to give speeches in a class. The teacher can arrange the order of their presentation in
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4 ways
12 ways
256 ways
24 ways
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Question # 22
The product of complex numbers (a,b) and (c,d) is
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(ac, bd)
(ac-bd, ad+bc)
(ab,cd)
(ac+bd,ad-bc)
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Question # 23
For any set B,B∪B' is
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Is set B
Set B'
Universal set
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Question # 24
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none of these
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Question # 25
How many necklaces can be made from 6 beads of different colours?
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120
60
24
15
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Question # 26
if a
1
=3, d=7 and a
n
=59 , then the number of terms in A.P is
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7
9
11
13
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Question # 27
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Question # 28
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a cosec(ax + b) + c
- a cosec(ax + b) + c
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Question # 29
nCn-r is equal to
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n!
n-1Cr
nCr
None of these
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Question # 30
f (x) = | x | is a/an
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Injective function
Bijective function
Surjective function
Implicit function
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Question # 31
The area of sector with central angle of 1 radians in a circular region whose radius is 2 m is
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