Question # 1

Choose an answer

Biconditional

Implication

Antecedent

Hypothesis

Two circles x2 +y2 +8x -9= 0 and x2+y2+6y +k =0 touchinternallyif the value of k is

Choose an answer

k = 9

k = ±9

k=-9

k=11

Range of cosecθis

Choose an answer

W - {y | -1 < y < 1}

R - {y | -1 < y < 1}

O - {y | -1 < y < 1}

R

Choose an answer

A quadratic equation in x is an equation that can be witten in the form

Choose an answer

ax²+ b = 0

ax³ +b²+c=0

ax² +bx+c=0

ax³ +bx³+cx=0

x is a member of the set [-1, 0, 3, 5] y is a member of the set {-2, 1, 2, 4} which is possible?

Choose an answer

x - y = -6

x - y < -6

x - y > -6

None

Choose an answer

Hermitian matrix

Skew-hermitian matrix

Symmetric matrix

Identity matrix

Choose an answer

What is the number of elements of the power set of {0, 1}

Choose an answer

1

2

3

4

The first three terms in the expansion of (1 + x)³are

Choose an answer

1 + 3x +6x²

1- 3x + 6x²\

-3 -3x -6x²

1- 3x -6x²

The value of k (k > 0) for which the equation x²+ kx + 64 = 0 and x²- 8x + k = 0 both will have real roots is

Choose an answer

8

-16

-64

16

Period of sin x is

Choose an answer

i² =

Choose an answer

1

2

-1

0

If in the expansion of (1+x)ⁿ, co-efficients of 2nd, 3rd and 4th terms are in A.P., then x=

Choose an answer

4

5

6

7

The position vector of the point P(a, b, c) is

Choose an answer

Which of the following is a quadrantal angle

Choose an answer

30°

45°

60°

90°

Choose an answer

If the circle x²+ y²+ 2gx +2fy + c = 0 passes through the origin then

Choose an answer

c = 0

c = -1

c = -2

c = 1

Which of the following is factor of p(x) =2x3 +3x2+3x+2 ?

Choose an answer

x+1

2x+1

3x+1

2x-1

The maximum value of sinθcosθis

Choose an answer

1

1/2

1/4

1/6

Choose an answer

quadrant I

quadrant II

quadrant III

quadrant IV

Choose an answer

A

A'

U

None of these

The range of y=x2 + 1 is the set of non-negative real numbers except

Choose an answer

0≤ y < 1

0 < y < 1

0≤ y≤ 1

0 < y≤1

The set {1, -1, i, -i}

Choose an answer

Form a group w.r.t addition

Form a group w.r.t multiplication

Does not form a group w.r.t multiplication

Not closed under multiplication

Power set of difference set N-W is

Choose an answer

Empty set

Infinite set

Singleton set

{0,∅}

If A = {x / x ∈ R ∧ x² - 16 = 0} then A =

Choose an answer

- x

Infinite set

Φ

{-4,4}

The set {1,-1,i,-i}

Choose an answer

Form a group w.r.t addition

Form a group w.r.t multiplication

Does not form a group w.r.t multiplication

Not closed under multiplication

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