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Online Tests

Mathematics ECAT Pre Engineering Online Test MCQs With Answers

Question # 1

The ortho center of triangle whose vertices are (0,0)(3,0)(0,4) is

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(0,0)

(1,1)

(2,2)

(3,3)

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Question # 2

Domain of y = cot x = ______

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Question # 3

For all points (x,y) in fourth quadrant

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x > 0 , y < 0

x > 0 , y > 0

x < 0 , y < 0

x < 0 , y > 0

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Question # 4

The first three terms in the expansion of (1 + x)^-2are ______

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1 - 2x + 3x²

1 - 2x - 3x²

1 + 2x + 3x²

-2 -2x + 3x²

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Question # 5

The graph of a quadratic function is

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Circle

Ellipse

Parabola

Hexagon

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Question # 6

A dice is rolled. The probability that the dots on the top are greater than 4 is

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1/6

1/3

1/2

1

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Question # 7

The transport of a square matrix is a

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Row matrix

Column matrix

Square matrix

Null matrix

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Question # 8

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Question # 9

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Question # 10

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(-1, 2)

(-1, 1)

(1, 2)

{-1}

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Question # 11

A non-homogeneous linear system AX = B has no solution if

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|A| = 0

|A|≠ 0

Rank (a) = no of variables

Rank > no of variables

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Question # 12

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Question # 13

In one hour the minute hand of a clock turns through

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Question # 14

If θ be angle between u,v and u,v determine the sides of a triangle then the third side opposite to angle θ has length

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|u+v|

|u|+|v|

|u-v|

|u|-|v|

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Question # 15

A function whose range is just one element is called

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One-one function

Constant function

Onto function

Identity function

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Question # 16

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Question # 17

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Question # 18

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1/2

2

1/4

4

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Question # 19

1 + 2 + 3 + ...... + n = ______

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Question # 20

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Question # 21

(x + 2)²= x²+ 4x + 4 is

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A linear equation

A cubic equation

A quadratic equation

None

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Question # 22

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Question # 23

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Question # 24

The distance of the point (-2,3) from x-axis is

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-2

2

3

1

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Question # 25

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Question # 26

A point (x,y) which satisfy a linear inequality in two variables form its

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Solution

Domain

Range

None

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Question # 27

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Question # 28

If a cone is cut by a plane perpendicular to the axis of the cone, then the section is a

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Parabola

Circle

Hyperbola

Ellipse

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Question # 29

5th term of a G.P. is 2, then the product of first 9 terms is

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256

128

512

None of these

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Question # 30

The range of the principle cot function is

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Question # 31

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In f(x) + c

f(x) - c

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