Question # 1

i^-(4n+2)= -------------------------------

Choose an answer

1

i

-1

-i

Choose an answer

a sec(ax + b) + c

- a sec(ax + b) + c

The eccentricity of the conic 9x²- 16y²= 144 is

Choose an answer

4/5

5/4

4/3

3/4

In R the number of identity element w.r.t '+' is

Choose an answer

One

Two

Three

Four

Matrices are represented by

Choose an answer

Natural numbers

Real numbers

Small letters

Capital letters

f(x) = 1 is

Choose an answer

identity function

constant function

linear function

quadratic function

If you are looking a high point from the ground, then the angle formed is

Choose an answer

Angle of elevation

Angle of depression

Right angle

Horizon

If a, b, c are the measures of the sides of a triangle then

Choose an answer

If a (p + q)²+ bpq +c = 0 and a (p + r)²+ 2 bpr + c = 0, then qr equals

Choose an answer

p²+ c/a

p²+ a/c

p²+ c/a

p²- c/a

There are two middle terms in the expansion of (a+x)n if n is

Choose an answer

Even +ve integer

+ve integer

Odd +ve integer

All

Choose an answer

An indicated sum of terms of a sequence is represented by

Choose an answer

Sn

an

S(n)

{Sn}

Choose an answer

If x² + px + 1 is a factor of ax³+ bx +c, then

Choose an answer

a²+ c²= -ab

a²- c²= -ab

a²- c²= ab

None of these

If a₁= 3, r = 2, then the nth term of the G.P. is

Choose an answer

2.3^n-1

3.2ⁿ

3.2ⁿ⁺¹

3.2^n-1

Additive inverse of -a -b is

Choose an answer

a

-a + b

a - b

a + b

Choose an answer

If all members of a sequence are real numbers then it is called

Choose an answer

A.P

Real Sequence

G.P

None of these

______________ invented a symbolic way to write the statement "y is a function of x" as y= f(x)

Choose an answer

Leibniz

Newton

Euler

None of these

How many term are there in the A.P, in which a₁ = 11 , a_n =68, d=3

Choose an answer

30

27

20

21

Choose an answer

(x³- 3x²)⁸+ c

3x²- 6x + c

Choose an answer

cosec x + c

-cosec x + c

-sec x + c

sec x + c

If E = { } , then P(E)

Choose an answer

∅

{ }

{(2),(4),(6)....}

(∅)

QUQ'

Choose an answer

∀x,y∈R and x> 0 , y>0, if x > y

Choose an answer

None of these

Multiplicative inverse of "1" is

Choose an answer

+- 1

0

1

None of these

Choose an answer

Evert element of A is in B

Every element of B is in A

Every element of A is in B'

Every element of A is in A

How many arrangements of the letters of the word ADDING can be made

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