Question # 1

The middle term of [1/x-x]¹⁰is

Choose an answer

-152

-252

371

-421

If a plane passes through the vertex of a cone then the intersection is

Choose an answer

an ellipse

a hyperbola

a point circle

a parabola

The points A(+1,-1),B(3,0),C(3,7),D(1,8) are vertices of

Choose an answer

Square

Parallelogram

Rectangle

Trapezium

If (2, 3) is the mid point of (a, 3) and (5, b) then

Choose an answer

a = 1 , b = -3

a = -1 , b = 3

a = 1 , b =3

a = -1 , b = -3

Choose an answer

perpendicular vectors

concurrent vectors

parallel vectors

none of these

√2 +√3 +√5) = (√2 +√3 +√5: this property is called

Choose an answer

associative property w.r.t addition

commutative property

Closure property w.r.t addition

Additive identity

cos 315° = ______

Choose an answer

In R, the multiplicative inverse of a is

Choose an answer

0

1

-a

1/a

If one root of 5x2 + 13x + k = 0 be the reciprocal of the other root the value of k is

Choose an answer

0

2

1

5

sin(π/2+θ) = _______;

Choose an answer

sinθ

cosθ

-sinθ

-cosθ

The order axioms are satisfied by set of

Choose an answer

C

C and R

R

None of these

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

ax2 +2hxy +by2 +2gx +2fy +c =0 may represent an ellipse if

Choose an answer

h2 -ab <0

h2 -ab≠ 0

h2 -ab =0

h2 -ab >0

Geometric mean between a and b is

Choose an answer

w⁷³= ______

Choose an answer

0

1

w

w²

The conic is a parabola, when:

Choose an answer

ᵨ > 1

ᵨ < 1

ᵨ = 1

ᵨ = 0

Number of terms in the expansion of (a+x)ⁿis

Choose an answer

n - 1

n + 1

n + 2

n + 3

Choose an answer

The greatest integer which divides the number 101¹⁰⁰- 1 is

Choose an answer

100

1000

10000

100000

The middle term of the expansion (1 + 2x)⁶is ______

Choose an answer

1st term

4th term

2nd term

5th term

Range of secθis

Choose an answer

Z - {x | -1 < x < 1}

W - {x | -1 < x < 1}

R - {x | -1 < x < 1}

R

Choose an answer

The law of of sines

The law of tangents

The law of consines

None of these

If n is any positive integer then n! > 2^n-1for

Choose an answer

Two circle s1: x2+ y2 +2x- 2y- 7= 0: s2: x2+ y2- 6x+ 4y+ 9= 0

Choose an answer

Touch externally

Touch internally

Intersects each other

Do not intersects

A box containing 10 mangoes out of which 4 are rotter. Two mangoes are taken together from the box. If one of them is found to be good, the probability that the other is also good is

Choose an answer

1 / 3

8 / 15

5 / 13

5 / 9

∀x∈(a,b),f(x) is increasing if

Choose an answer

f′(x) >0

f′(x) <0

f′′(x) >0

f′′(x) =0

A matrix with a single column is called

Choose an answer

Column matrix

Row matrix

Identity matrix

Null matrix

Choose an answer

1, 1/2, 0

1, 2, 1

1, 2, 3

1, 2, 0

More Classes

Other Links

ECAT Pre General Science 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