Question # 1

The roots of the equation ax²+ bx + c = 0 are complex/imaginary if

Choose an answer

b²- 4ac < 0

b²- 4ac = 0

b²- 4ac > 0

None of these

Choose an answer

In f(x) + c

f(x) - c

If the graph of f is entirely below the x-axis, then the value of definite integral is

Choose an answer

= 0

< 0

> 0

None

Let a₁, a₂, a₃, a₄and a₅be such that a₁, a₂, and a₃are in A.P., a₂, a₃and a₄are in G.P and a₃, a₄and a₅are in H.P. Then, a₁, a₃and a₅are in

Choose an answer

G.P.

A.P.

H.P.

None of these

Choose an answer

0

1

undefined

The contra positive of p → q is

Choose an answer

q → p

~q→~q

~p→~q

None of these

The number of standard parabolic functions are is

Choose an answer

4

2

3

1

Choose an answer

30°

60°

45°

None of these

The set { 1 , -1} is closed w.r.t.

Choose an answer

Addition

Multiplications

Subtraction

None of these

If five triangles are constructed having sides of the lengths indicated below, the triangle that will NOT be a right triangle is

Choose an answer

8, 15, 17

3, 4, 5

12, 15, 18

5, 12, 13

Choose an answer

The function f{(x, y) | y = ax²+ bx + c} is

Choose an answer

One-one function

Constant function

Onto function

Quadratic function

An event having more than one sample point is called

Choose an answer

Certain event

Compound event

Simple event

None

Choose an answer

(ABC)' =

Choose an answer

CBA'

CBA

C' B' A'

None of these

Choose an answer

The equation of vertical asymptotes of y = cos ecx is

Choose an answer

x = 0

y = 0

x =∞

y =∞

The set of the first elements of the ordered pairs forming a relation is called its

Choose an answer

Function on B

Range

Domain

A into B

The minimum value of the quadratic function f(x) = 5 x 2-11,is

Choose an answer

7

-7

6

-11

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

Choose an answer

Vertex of the solution

Feasible point

Point of inequality

Null point of the solution region

Cos-1(x)=

Choose an answer

cos x

x

tan-1(-x)

Sec-1 (1/x)

Choose an answer

image

pre-image

constant

none of these

Geometric mean between a and b is

Choose an answer

If t is the parameter for one end of a focal chord of the parabola y²= 4ax, then its length is

Choose an answer

A = x, B = 1

A = 0, B = 2

A = -1, B = 1

A = x-1, B = x + 1

Choose an answer

An empty set

Universal set

A singleton set

None of these

The difference of two consecutive terms of an A.P. is called ______

Choose an answer

General term

Common ratio

Common difference

None of these

The third term of the sequence a_n= (-1)^n-1(n-7) is ______

Choose an answer

8

4

-4

8

For any positive integer n

Choose an answer

ABn = Bn A ⇔ AB = BA

ABn = Bn A⇔ A,B are square matrices and AB = BA

ABn = BnA⇔ A + B

ABn = BnA ⇔ A and B are square matries

(n + 2) (n + 1) n= ______

Choose an answer

Principle of equality of fractions

Rule for product of fractions

Golden rule of fractions

Rule for quotient of fractions

More Classes

Other Links

ECAT Mathematics 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