Question # 1

The roots of the equation ax²+ bx + c = 0 are real and equal if

Choose an answer

b²- 4ac < 0

b²- 4ac = 0

b²- 4ac > 0

None of these

r + 3 >5 then which is true

Choose an answer

r + 2 > 4

r + 2 < 4

r + 2 = 4

None

f(x) = 2^x+ 3 . 2^2x+ 5 is

Choose an answer

trigonometric function

algebraic function

exponential function

logarithmic function

The two lines y = 2x and x =2y are

Choose an answer

Parallel

Perpendicular

Equally inclined with axes

Congruent

Choose an answer

The coordinates of the point that divides the join of A(-6,3) and B(5, -2) in the ratio 2:3 externally are

Choose an answer

Five engineering, four mathematics, two chemistry books are placed on a table at random.The probability that the books of each kind are all together is

Choose an answer

The centre fo the circle x²+ y²+ 12x -10 = 0 is

Choose an answer

(12, -10)

(6, -5)

(-12, 10)

(-6, 5)

Choose an answer

Does not exist because f is unbounded

Is not attained even though f is bounded

Is equal to 1

Is equal to -1

Period of cosec x is ______

Choose an answer

Domain of secθis

Choose an answer

If uv= Projuv then

Choose an answer

Uandvare parallel

vis a unit vector

Uis a unit vector

Both b and c

We solve the system of non-homogeneous linear equations by

Choose an answer

a and b

b and c

c and a

a,b and c

Choose an answer

3/4

-3/4

4/3

-4/3

Inverse of the function y-10x is

Choose an answer

y=logx

y=lnx

x=10y

∀a,b,c∈R and c>0,then

Choose an answer

a>b ⇒ ac < bc

a>b ⇒ ac > bc

a<b ⇒ ac > bc

None of these

Choose an answer

A set having only one element is called

Choose an answer

An empty set

Universal set

A singleton set

A power set

The solution of equation x2 + 2 = 0 in the set of real number is

Choose an answer

Infinite set

Singleton set

Null set

None of these

Choose an answer

none of these

If Sin A = sin B, cos A = cos B, then the value of A in terms of B is

Choose an answer

The conic is a parabola if

Choose an answer

e < 1

e > 1

e = 1

None of these

(x-1) is a factor of

Choose an answer

2x³-3x²+9

2x³-5x-8

48x^2-46x-9

x⁹-1

Choose an answer

The next term of the sequence 1, 2, 4, 7, 11, ..... is.

Choose an answer

15

16

17

18

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

Choose an answer

Every natural number is

Choose an answer

A prime number

An irrational number

An integer

An even number

Choose an answer

Derivative of sin x w.r.t. sin x is

Choose an answer

0

1

sin x

cos x

Area of the circle with ends of a diameter at (-3,2) and (5,-6)

Choose an answer

128π sq. units

64π sq. units

32π sq.units

None of these

The set of months in a year beginning with S.

Choose an answer

{September, October, November}

Singleton set

Null set

Empty set

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