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Online Tests

Mathematics ECAT Pre Engineering Online Test MCQs With Answers

Question # 1

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Question # 2

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Question # 3

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Question # 4

In a class of 100 students, 60 drink tea, 50 drink coffee and 30 drink both. A student from his class is selected at takes at last one of 2 drinks is

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2 / 5

3 / 5

4 / 5

None of these

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Question # 5

Archimedes approximate the function by horizontal function and the area under f by the sum of small

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Parallelograms

Squares

Retangles

Polygons

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Question # 6

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Question # 7

A point of a solution regions where two of its boundary lines intersect, is called:

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Vertex of the solution

Feasible point

Point of inequality

Null point of the solution region

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Question # 8

sin (sin^-1(1/2))=

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0

2

∞

1/2

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Question # 9

Derivative of a w.r.t x is

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0

1

x

x

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Question # 10

Roots of the equation x²- 7x + 10 = 0 are

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{2, 5}

{-2, 5}

{2,5}

{-2,-5}

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Question # 11

A square is inscribed in the circle x²+ y²- 2x + 4y + 3 =0. Its sides are parallel to the co-ordinate axes. Then one vertex of the square is

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Question # 12

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all

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Question # 13

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0

-1

1/2

1

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Question # 14

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all are correct

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Question # 15

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5

15

10

20

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Question # 16

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Question # 17

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Question # 18

If the roots of ax²- bx - c = 0 change by the same quantity, then the expression in a, b, c that does not change is

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Question # 19

The intercepts of the plane 2x - 3y + 4z = 12 on the co-ordinate axes are given by

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2, -3, 4

6, -4, -3

6, -4, 3

3, -2, 1.5

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Question # 20

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an A.P.

a G.P.

a H.P.

None of these

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Question # 21

(ABC)' =

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CBA'

CBA

C' B' A'

None of these

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Question # 22

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Question # 23

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Principle of equality of fractions

Rule for product of fractions

Golden rule for fractions

Rule for quotient of fractions

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Question # 24

1⁰= ______

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1.5 rad

0.5 rad

0.175 rad

None of these

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Question # 25

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Question # 26

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 # 27

The circle (x - 2)²+ (y + 3)²= 4 is not concentric with the circle

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(x - 2)²+ (y + 3)²= 9

(x + 2)²+ (y - 3)²= 4

(x + 2)²+ (y - 3)²= 8

(x - 2)²+ (y + 3)²= 5

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Question # 28

For any set X, X∪X is

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X

X'

Φ

Universal Set

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Question # 29

A matrix with a single row is called a

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Column matrix

Row matrix

Null matrix

Identity matrix

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Question # 30

1⁰= ______

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360'

60"

60'

3600'

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Question # 31

2.333....is a

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Irrational no

Complex no

Rational no

None of these

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