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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
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Question # 2
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1
0
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Question # 3
The period of tan [x/3] is ______
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2
π
4
π
3
π
5
π
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Question # 4
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Question # 5
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2
4
8
12
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Question # 6
(A∩Bc)c= -------------------------
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Ac∪Bc
Ac∪B
Ac∩B
None of these
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Question # 7
Period of sin 3x is ______
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Question # 8
Optimal solution is found by evaluation the objective function at
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All point of feasible region
Corner point
Origin
None
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Question # 9
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I3
rI3
r
none
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Question # 10
The Domain of y = sin x is ______
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Set of real numbers
Rational
Irrational no.
None of above
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Question # 11
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Question # 12
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9/4
4/9
1
None of these
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Question # 13
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Question # 14
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Question # 15
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5
25
3
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Question # 16
{x|x∈R∧x≠x} is a
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Infinite set
Null set
Finite set
None of these
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Question # 17
The sides of a right angled triangle are in A.P The ratio of sides is
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1:2:3
3:4:5
2:3:4
5:8:3
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Question # 18
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Question # 19
The directrix of y2 =-4ax is
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y =-a
y = a
x = a
x = -a
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Question # 20
w
15
= ______
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0
1
w
w
2
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Question # 21
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Question # 22
The process of finding a function whose derivative is given is called a
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Differentiation
Integration
Differential
None
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Question # 23
The minimum value of the quadratic function f(x) = 5 x 2-11,is
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7
-7
6
-11
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Question # 24
w
11
= ______
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0
1
w
w
2
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Question # 25
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Question # 26
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p < r
p > rr
p + r < 0
p - r < 0
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Question # 27
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Question # 28
If three unequal numbers p, q, r are in H.P. and their squares are in A.P., then the ration p : q : r is
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Question # 29
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π
π/6
-
π/2
2
π
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Question # 30
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A
B
U
None of these
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Question # 31
The system of measurement in which the angle is measured in degrees, minutes and seconds is called the
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circular system
CGS system
sexagesimal system
none of these
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