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Online Tests

Mathematics ECAT Pre Engineering Online Test MCQs With Answers

Question # 1

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all

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Question # 2

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An empty set

Universal set

A singleton set

None of these

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Question # 3

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Question # 4

cos h²x + sin h² x

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an even function

an odd function

an even and implicit function

neither even nor a odd

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Question # 5

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Question # 6

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3 x 1

1 x 3

3 x 3

1 x 1

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Question # 7

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Question # 8

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Question # 9

For all points (x,y) on y-axis

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x is positive

x = 0

x is negative

y = 0

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Question # 10

A point where two of its boundary lines intersect is called

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Corner point

Feasible point

Vertex

Feasible solution

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Question # 11

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Question # 12

Associative law of multiplication

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ab - ba

a(bc) = (ab) c

a(b + c) = ab +ac

(a +b)c = ac + bc

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Question # 13

Geometric mean between a and b is

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Question # 14

In R, the additive identity is

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0

1

-1

None

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Question # 15

π is ______

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A complex number

A rational number

A natural number

An irrational number

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Question # 16

A circle which touches one side of a triangle externally and the other two sides produced is called ______

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In-circle

Circum cirle

Escribed circle

None of these

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Question # 17

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Conclusion

Implication

Antecedent

Hypothesis

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Question # 18

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Question # 19

The range of inequality x + 2 > 4 is

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(-1, 2)

(-2, 2)

(1,∞)

None

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Question # 20

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30°

60°

45°

None of these

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Question # 21

What is the conjugate of -6 -i

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-6 +i

6 + i

-6 -i

6 -i

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Question # 22

A chord passing through the centre of the circle is called

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the secant of the circle

the tangent of the circle

the arc of the circle

the diameter of the circle

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Question # 23

The area under the curve y = 1/x² between x = 1 and x =4 is:

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-25

0.75

-0.35

-10

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Question # 24

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Question # 25

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Question # 26

If one root of the equation ix²- 2(i + 1) x +(2 - i) = 0 is 2 - i, then the other root is

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-i

2 + i

i

2 - i

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Question # 27

cos 2α=

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sin²α+ cos²α

-cosθ

tanθ

None of these

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Question # 28

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Natural numbers

Whole numbers

Integers

Rational numbers

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Question # 29

The law of sines is

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Question # 30

The probability that a slip of numbers divisible by 4 is picked from the slips of number 1,2,3,4,......10 is

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1/5

2/5

1/10

3/10

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Question # 31

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