Question # 1

Group of none-singular matrices under multiplication is

Choose an answer

None-Abelian group

Semi group

Abelian group

None of these

Choose an answer

The roots of the equation will be irrational if b²- 4ac is

Choose an answer

Positive and perfect square

Positive but not a perfect square

Negative

Zero

Write the first four terms of the sequence if a_n= (-1)ⁿn²

Choose an answer

-1, 4, -9, 16

1, -4, 9, 16

1, 4, 9, 16

None of these

Choose an answer

A man of height 6 ft observes the top of a tower and the foot of the tower at angles of 45° and 30° of elevation and depression respectively. The height of the tower is

Choose an answer

What is the circular measure of the angles between the hands of which at 4 o clock

Choose an answer

π/6

3π/2

π/4

2π/3

Three integers are chosen at random from the first 20 integers. Then probability that their product is even, is

Choose an answer

2 / 19

3 / 29

17 / 19

4 / 19

Choose an answer

additive property

multiplicative property

additive identity

multiplicative identity

An expression involving any of the symbols <,>,< or > is called

Choose an answer

equation

inequality

linear equation

identity

Choose an answer

π

π / 2

π / 3

π / 4

A joint equation of the lines through the origin and perpendicular to the lines ax2 +2hxy +by2 =0 is indentical is ax2 +2hxy +by2 =0 if

Choose an answer

h2 = ab

a + b =0

a = b

a≠ b

a = b = 0

∫x sin xdx is equal to:

Choose an answer

sin x/x + cos x

sin x - cos x/x

x cos x + sin x

- x cos x + sin x

The axis of the parabola x² = 4ay is:

Choose an answer

y = 0

x = 0

x = -a

y = a

Choose an answer

a cot(ax + b) + c

- a cot(ax + b) + c

Choose an answer

sin (α+β) + sin (α-β)

Choose an answer

2 sinαcosβ

sin (2αβ)

sinαcosα

None of these

Under multiplication, solution set of is

Choose an answer

Groupoid

Abelian group

Semi group

All of these

Choose an answer

If A = {x/x is a positive integer and 4≤x<23}, then A=

Choose an answer

{1,2,3,4,5,6,7}

{4,5,6...........22}

{1,2,3,.........23}

{1,2,3,4,5}

A person standing on the bank of a river finds that the angle of elevation of the top of a tower on the opposite bank is 45°. then which of the following statements is correct?

Choose an answer

Breadth of the river is twice the height of the tower

Breadth of the river an the height of the tower are the same

Breadth of the river is half of the height of the tower

None of these

p(x) = 2x⁴- 3x³+ 2x - 1 is polynomial of degree

Choose an answer

1

2

3

4

Choose an answer

Every real number is

Choose an answer

A complex number

A rational number

A natural number

A prime number

Sequence also called..............

Choose an answer

Series

Function

progressions

Elements

The formula an = a +(n-1)d for an A.P is called

Choose an answer

nth term of an A.P

Sum of first n terms

A,M between a and b

None of the above

The number of points of intersection of two curves y = 2 sin x and y = 5x²+ 2x + 3 is

Choose an answer

0

1

2

None of these

Choose an answer

The range of y = sin x is ______

Choose an answer

[1, -1]

[-1, 1]

[0, -1]

[-∞+∞]

Four cards are drawn at random from a pack of 52 playing cards. The probability of getting all the four cars of the same suit is

Choose an answer

44/4165

22/4165

11/4165

None of these

More Classes

Other Links

Mathematics ECAT Pre Engineering Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer